bluuebunny/crossref_metadata_2025 huggingface dataset:
(Re-)Orienting the Video Game Avatar
Authors: de Wildt Lars , Apperley Thomas H. , Clemens Justin , Fordyce Robbie , Mukherjee Souvik
Published: July 2019

This article explores the cultural appropriation of the term avatar by Western tech culture and what this implies for scholarship of digital games, virtual worlds, social media, and digital cultures. The term has roots in the religious tradition of the Indian subcontinent and was subsequently imported into video game terminology during a period of widespread appropriation of Eastern culture by Californian tech industries. We argue that the use of the term was not a case of happenstance but a signaling of the potential for computing to offer a mystical or enchanted perspective within an otherwise secular world. This suggests that the concept is useful in game cultures precisely because it plays with the “otherness” of the term's original meaning. We argue that this indicates a fundamental hybridity to gaming cultures that highlight the need to add postcolonial perspectives to how issues of diversity and power in gaming cultures are understood.
Reporting of Physical Activity Device Measurement and Analysis Protocols in Lifestyle Interventions
Authors: Jake-Schoffman Danielle E. , Silfee Valerie J. , Sreedhara Meera , Rosal Milagros C. , May Christine N. , Lopez-Cepero Andrea , Lemon Stephenie C. , Haughton Christina F.
Published: July 2019

This systematic review examined the extent to which lifestyle physical activity interventions that used wearable devices (eg, pedometers, accelerometers) reported on the length of device wear time requested in their protocols, criteria for analytic inclusion of data, and participant compliance with device use protocols. Literature were searches were conducted using PubMed, Cochrane Central Register, and PsychInfo. Studies were included if they were the main outcomes paper of a trial that reported on a randomized or quasi-randomized trial focused on increasing lifestyle physical activity and were published between January 1, 2006 and March 30, 2016. Titles and abstracts were screened by 2 independent reviewers; eligible full texts were retrieved and reviewed by 2 independent reviewers. A total of 104 studies used wearable devices (n = 57 pedometers, n = 47 accelerometers). Most studies (n = 65, 67.3%) asked participants to wear devices for 7 days. Almost half of the studies (n = 46, 44.2%) did not report minimum device wear time required for analytic inclusion of data, and variation existed among studies reporting these criteria. Most studies (n = 60, 57.7%) did not report average device wear time, or participant compliance with device wear. Overall, there was heterogeneity in reporting of physical activity device data. Refinement and streamlining of guidelines for device use, analysis, and reporting of data could improve comparability across studies.
Septic arthritis
Authors: Key Thomas , Dayananda Kathryn , Kimberley Charles , Stuart Roy William
Published: July 2019

Musculoskeletal pain is a common presentation in primary care. Although septic arthritis is a rare cause of joint pain, expeditious diagnosis and treatment is of paramount importance to avoid the local destruction of intra-articular cartilage and sepsis. In this article risk factors, pathology, presentation, referral and treatment of suspected septic arthritis are explained, to help GPs identify and manage this potentially life-threatening condition.
Monthly Video-Consultation for Children With Type 1 Diabetes Using a Continuous Glucose Monitoring System: Design of ViDiKi, a Multimethod Intervention Study to Evaluate the Benefit of Telemedicine
Authors: Frielitz Fabian-Simon , Müller-Godeffroy Esther , Hübner Joachim , Eisemann Nora , Dördelmann Jana , Menrath Ingo , Katalinic Alexander , Hiort Olaf , von Sengbusch Simone
Published: July 2019

Background:

The introduction of continuous glucose monitoring (CGM) implies new challenges for diabetes care. As CGM systems are often directly linked to a web-based software solution, structured telemedicine care using a video-consultation may be a new option for families who care for children with type 1 diabetes mellitus (T1DM).

Methods:

“ViDiKi” (Virtual Diabetes Outpatient Clinic for Children and Youth) is a multicenter controlled trial carried out in Northern Germany. ViDiKi will examine if monthly telemedical consultations, in addition to regular care, will improve glycemic control and psychosocial outcomes. The primary outcome is glycemic control as measured by a change in glycated hemoglobin (HbA1c). A total of 240 participants aged between one year and 16 years using a CGM with multiple daily injections (MDI) or insulin pump therapy were recruited and assigned to a starter group or a six-month waiting control group. The sample size is designed to detect a between-group difference of 0.5% in HbA1c change at six months. Secondary outcomes are variability of blood glucose, health-related quality of life, self-efficacy, and satisfaction with telemedicine. To gain deeper insight into the experience of using telemedicine, qualitative interviews will be conducted. In a health-economic analysis, the costs of telemedicine and a cost-of-care analysis will be calculated.

Conclusions:

The results from the ViDiKi study shall give important information on the feasibility and putative benefits of telemedicine in children with T1DM and their caregivers.

German Clinical Trails Register (DRKS):

DRKS00012645
Subchondroplasty of the Ankle and Hindfoot for Treatment of Osteochondral Lesions and Stress Fractures: Initial Imaging Experience
Authors: McWilliams Geoffrey D. , Yao Lawrence , Simonet Luke B. , Haysbert Connor W. , Giza Eric , Kreulen Christopher D. , Boutin Robert D.
Published: July 2019

Objective:To describe the imaging findings of patients treated with subchondroplasty (SCP) of the ankle and hindfoot. Materials and Methods: Eighteen patients (10 men, 8 women; age mean 43.1 years [range 20.1-67.7 years]) underwent ankle and hindfoot SCP at a single center over a 14-month period. Imaging data were reviewed retrospectively by 2 radiologists by consensus interpretation, including preoperative radiography (18), computed tomography (CT) (11), and magnetic resonance imaging (MRI) (13) and postoperative radiography (10), CT (4), and MRI (6). Follow-up imaging was acquired 1 month to 1.6 years following SCP. Results: Indications for SCP included symptomatic bone marrow lesions (BMLs) secondary to an osteochondral lesion (OCL) (16/18) or stress fracture (2/18). While focal radiodensity related to the SCP procedure was retrospectively identifiable on postoperative radiography in all except 1 case (10/11), postprocedural findings were not described by the interpreting radiologist in 6/11 cases. On CT, the average injected synthetic calcium phosphate (CaP) volume was 1.15 cm3 (SD = 0.33 cm3); mean CT attenuation of the injectate was 1220 HU (range 1058-1465 HU). In all patients who had pre- and postoperative MRI (5/18), BML size decreased on follow-up MRI. Extra-osseous extrusion of CaP was not seen on postoperative radiography, CT, or MRI. Conclusion: Physicians should be aware of the expanding preoperative indications and postoperative imaging findings of SCP, which is being performed with increasing frequency in the ankle and hindfoot.

Levels of Evidence: Diagnostic, Level III: Retrospective cohort study
The Spiritual Role of a Leader in Sustaining Work Engagement: A Teacher-Perceived Paradigm
Authors: Sheikh Adnan Ahmed , Inam Aneeq , Rubab Anila , Najam Usama , Rana Naeem Ahmad , Awan Hayat Muhammad
Published: July 2019

Work engagement is arguably one of the key challenges confronted by the higher education sector of Pakistan. Therefore, it is important to understand the diverse perspectives of work engagement in this sector. This study examines the effect of job demand and spiritual leadership on work engagement in public universities of Pakistan through the mediating role of burnout and moderating effect of spiritual leadership between job demand and burnout and between burnout and work engagement. The study framework was established from theories, namely, the job demand-resource theory and the spiritual leadership theory. The respondents were 271 faculty members working in different universities of Pakistan. The findings show a significant relationship between job demand and burnout and between burnout and work engagement. Moreover, the results show a positive relationship between spiritual leadership with work engagement and negative relationship with burnout. However, the findings show the insignificant direct relationship between job demand and work engagement, whereas burnout mediates the relationship between job demand, spiritual leadership, and work engagement. Interestingly, spiritual leadership plays an important role in moderating the relationship between burnout and work engagement but does not moderate the relationship between job demand and burnout. Besides, the findings of the study will redound to organizational benefits by enriching research on the area of burnout and work engagement, which is so far in its infancy by referring to its potential antecedent and moderating variable. Finally, the study will be useful for both organizations and employees to achieve desired outcomes.
Twelve-years’ experience in minimal invasive Achilles tendon repair using a suture-guiding device
Authors: Yeung Prisca , Man Lok Pong , Ho Wing Hang Angela
Published: July 2019

Introduction:

Minimal invasive Achilles tendon repair is becoming more and more popular recently. We have evaluated our results in Achilles tendon repair using minimally invasive method by a suture-guiding device.

Methods:

This is a retrospective review of patients with acute Achilles tendon rupture, which was repaired using minimally invasive method namely the suture-guiding device, that was performed during 2003 to 2015 in our department. Outcome parameters were the incidence of re-rupture, other complications, and the functional outcome.

Results:

There were 36 men (90%) and 4 women (10%) in this study. Mechanisms of injury were basketball (28%), football (15%), squash (15%), and trauma (13%). The mean operating time was 59 min (range 30–90 min). The mean follow-up time was 8 months (range 3–35 months). The mean duration with casting was 7 weeks. The mean range of movement at 3 months was 8° dorsiflexion and 33° plantar flexion. There was no major complication necessitating surgical re-interventions such as re-ruptures and infections. No patient suffered from dysfunction of the sural nerve or delay wound healing.

Conclusion:

Minimally invasive Achilles tendon repair using suture-guiding device is a safe and quick procedure with a low rate of re-rupture and a satisfactory short-term and long-term recovery. Level of evidence: IV.
Ophthalmic medication price variation across the United States: Anti-inflammatory medications
Authors: Scott Anthony T. , Pecen Paula E. , Palestine Alan G.
Published: July 2019

Background:

Cost-related nonadherence to medication can impact ophthalmic treatment outcomes. We aimed to determine whether medication prices vary between US cities and between different types of pharmacies within one city.

Methods:

We conducted a phone survey of eight nationwide and five independent pharmacies in five cities across the United States: Boston, Massachusetts; Charlotte, North Carolina; Denver, Colorado; Detroit, Michigan; and Seattle, Washington. A researcher called each pharmacy asking for price without insurance for four common anti-inflammatory ophthalmic medications: prednisolone acetate, prednisolone sodium phosphate, difluprednate (Durezol™), and loteprednol etabonate (Lotemax™).

Results:

Prednisolone sodium phosphate price could only be obtained by a small subset of pharmacies (45.2%) and was excluded from additional analysis; however, preliminary data demonstrated lower cost of prednisolone sodium phosphate over prednisolone acetate. Three-way analysis of variance revealed no interaction between pharmacy type (chain versus independent), city, and drug ( F = 0.40, p = 0.92). A significant interaction was identified between pharmacy type and drug ( F = 5.0, p = 0.008), but not city and pharmacy type ( F = 0.66, p = 0.62) or city and drug ( F = 0.27, p = 0.97). Average drug prices were lower at independent pharmacies compared with chain pharmacies for difluprednate (US$211.36 versus US$216.85, F = 1.09, p = 0.297) and significantly lower for loteprednol etabonate (US$255.49 versus US$274.86, F = 14.7, p < 0.001). Prednisolone acetate was cheaper at chain pharmacies, but not statistically significantly cheaper (US$48.82 versus US$51.61, F = 0.34, p = 0.559).

Conclusions:

Medication prices do not differ significantly between US cities. High variation of drug prices within the same city demonstrates how comparison shopping can provide cost savings for patients and may reduce cost-related nonadherence.
Distinct clinical and biological implications of CUX1 in myeloid neoplasms
Authors: Aly Mai , Ramdzan Zubaidah M. , Nagata Yasunobu , Balasubramanian Suresh K. , Hosono Naoko , Makishima Hideki , Visconte Valeria , Kuzmanovic Teodora , Adema Vera , Nazha Aziz , Przychodzen Bartlomiej P. , Kerr Cassandra M. , Sekeres Mikkael A. , Abazeed Mohamed E. , Nepveu Alain , Maciejewski Jaroslaw P.
Published: July 2019

Somatic mutations of the CUT-like homeobox 1 (CUX1) gene (CUX1MT) can be found in myeloid neoplasms (MNs), in particular, in myelodysplastic syndromes (MDSs). The CUX1 locus is also deleted in 3 of 4 MN cases with −7/del(7q). A cohort of 1480 MN patients was used to characterize clinical features and clonal hierarchy associated with CUX1MT and CUX1 deletions (CUX1DEL) and to analyze their functional consequences in vitro. CUX1MT were present in 4% of chronic MNs. CUX1DEL were preferentially found in advanced cases (6%). Most MDS and acute myeloid leukemia (AML) patients with −7/del(7q) and up to 15% of MDS patients and 5% of AML patients diploid for the CUX1 locus exhibited downmodulated CUX1 expression. In 75% of mutant cases, CUX1MT were heterozygous, whereas microdeletions and homozygous and compound-heterozygous mutations were less common. CUXMT/DEL were associated with worse survival compared with CUX1WT. Within the clonal hierarchy, 1 of 3 CUX1MT served as founder events often followed by secondary BCOR and ASXL1 subclonal hits, whereas TET2 was the most common ancestral lesion, followed by subclonal CUX1MT. Comet assay of patients’ bone marrow progenitor cells and leukemic cell lines performed in various experimental conditions revealed that frameshift mutations, hemizygous deletions, or experimental CUX1 knockdown decrease the repair of oxidized bases. These functional findings may explain why samples with either CUX1MT or low CUX1 expression coincided with significantly higher numbers of somatic hits by whole-exome sequencing. Our findings implicate the DNA repair dysfunction resulting from CUX1 lesions in the pathogenesis of MNs, in which they lead to a mutator phenotype.
ERS statement on tracheomalacia and bronchomalacia in children
Authors: Wallis Colin , Alexopoulou Efthymia , Antón-Pacheco Juan L. , Bhatt Jayesh M. , Bush Andrew , Chang Anne B. , Charatsi Anne-Marie , Coleman Courtney , Depiazzi Julie , Douros Konstantinos , Eber Ernst , Everard Mark , Kantar Ahmed , Masters Ian B. , Midulla Fabio , Nenna Raffaella , Roebuck Derek , Snijders Deborah , Priftis Kostas
Published: July 2019

Tracheomalacia and tracheobronchomalacia may be primary abnormalities of the large airways or associated with a wide variety of congenital and acquired conditions. The evidence on diagnosis, classification and management is scant. There is no universally accepted classification of severity. Clinical presentation includes early-onset stridor or fixed wheeze, recurrent infections, brassy cough and even near-death attacks, depending on the site and severity of the lesion. Diagnosis is usually made by flexible bronchoscopy in a free-breathing child but may also be shown by other dynamic imaging techniques such as low-contrast volume bronchography, computed tomography or magnetic resonance imaging. Lung function testing can provide supportive evidence but is not diagnostic. Management may be medical or surgical, depending on the nature and severity of the lesions, but the evidence base for any therapy is limited. While medical options that include bronchodilators, anti-muscarinic agents, mucolytics and antibiotics (as well as treatment of comorbidities and associated conditions) are used, there is currently little evidence for benefit. Chest physiotherapy is commonly prescribed, but the evidence base is poor. When symptoms are severe, surgical options include aortopexy or posterior tracheopexy, tracheal resection of short affected segments, internal stents and external airway splinting. If respiratory support is needed, continuous positive airway pressure is the most commonly used modality eitherviaa face mask or tracheostomy. Parents of children with tracheobronchomalacia report diagnostic delays and anxieties about how to manage their child's condition, and want more information. There is a need for more research to establish an evidence base for malacia. This European Respiratory Society statement provides a review of the current literature to inform future study.
Vena cava backflow and right ventricular stiffness in pulmonary arterial hypertension
Authors: Marcus J. Tim , Westerhof Berend E. , Groeneveldt Joanne A. , Bogaard Harm Jan , de Man Frances S. , Vonk Noordegraaf Anton
Published: July 2019

Vena cava backflow is a well-recognised clinical hallmark of right ventricular failure in pulmonary arterial hypertension (PAH). Backflow may result from tricuspid regurgitation during right ventricular systole or from impaired right ventricular diastolic filling during atrial contraction. Our aim was to quantify the forward and backward flow in the vena cava and to establish the main cause in PAH.

In 62 PAH patients, cardiac magnetic resonance measurements provided volumetric flows (mL·s−1) in the superior and inferior vena cava; time integration of flow gave volume. The “backward fraction” was defined as the ratio of the backward and forward volumes in the vena cava, expressed as a percentage. Time of maximum vena cava backflow was expressed as a percentage of the cardiac cycle. Right ventricular volumes and aortic stroke volume were determined. Right heart catheterisation gave right ventricular and right atrial pressures. Right ventricular end-diastolic stiffness was determined with the single-beat method.

The median (interquartile range) backward fraction was 12% (3–24%) and it was >20% in 21 patients. Maximum backflow occurred at near 90% of the cardiac cycle, coinciding with atrial contraction. The backward fraction was associated with maximal right atrial pressure (Spearman's r=0.77), right ventricular end-diastolic stiffness (r=0.65) and right ventricular end-diastolic pressure (r=0.77), and was negatively associated with stroke volume (r= –0.61) (all p<0.001).

Significant backward flow in the vena cava was observed in a large group of PAH patients and occurred mostly during atrial contraction as a consequence of impaired right ventricular filling due to right ventricular diastolic stiffness. The backward flow due to tricuspid regurgitation was of significance in only a small minority of patients.
CCR2/CCR5-mediated macrophage–smooth muscle cell crosstalk in pulmonary hypertension
Authors: Abid Shariq , Marcos Elisabeth , Parpaleix Aurélien , Amsellem Valérie , Breau Marielle , Houssaini Amal , Vienney Nora , Lefevre Marine , Derumeaux Genevieve , Evans Steven , Hubeau Cedric , Delcroix Marion , Quarck Rozenn , Adnot Serge , Lipskaia Larissa
Published: July 2019

Macrophages are major players in the pathogenesis of pulmonary arterial hypertension (PAH).

To investigate whether lung macrophages and pulmonary-artery smooth muscle cells (PASMCs) collaborate to stimulate PASMC growth and whether the CCL2-CCR2 and CCL5-CCR5 pathways inhibited macrophage–PASMC interactions and PAH development, we used human CCR5-knock-in mice and PASMCs from patients with PAH and controls.

Conditioned media from murine M1 or M2 macrophages stimulated PASMC growth. This effect was markedly amplified with conditioned media from M2 macrophage/PASMC co-cultures. CCR2, CCR5, CCL2 and CCL5 were upregulated in macrophage/PASMC co-cultures. Compared to inhibiting either receptor, dual CCR2 and CCR5 inhibition more strongly attenuated the growth-promoting effect of conditioned media from M2-macrophage/PASMC co-cultures. Deleting either CCR2 or CCR5 in macrophages or PASMCs attenuated the growth response. In mice with hypoxia- or SUGEN/hypoxia-induced PH, targeting both CCR2 and CCR5 prevented or reversed PH more efficiently than targeting either receptor alone. Patients with PAH exhibited CCR2 and CCR5 upregulation in PASMCs and perivascular macrophages compared to controls. The PASMC growth-promoting effect of conditioned media from M2-macrophage/PASMC co-cultures was greater when PASMCs from PAH patients were used in the co-cultures or as the target cells and was dependent on CCR2 and CCR5. PASMC migration toward M2-macrophages was greater with PASMCs from PAH patients and was attenuated by blocking CCR2 and CCR5.

CCR2 and CCR5 are required for collaboration between macrophages and PASMCs to initiate and amplify PASMC migration and proliferation during PAH development. Dual targeting of CCR2 and CCR5 may hold promise for treating human PAH.
An aggressive central giant cell granuloma in a pediatric patient: Case report and review of literature
Authors: Wang Yiqiao , Le Andre , El Demellawy Dina , Shago Mary , Odell Michael , Johnson-Obaseki Stephanie
Published: July 2019

Background

Central giant cell granulomas are benign tumours of the mandible, presenting in children and young adults. Divided into non- and aggressive subtypes, the aggressive subtype is relatively rare and can occasionally progress rapidly, resulting in significant morbidity.

Case presentation

We present a case of an aggressive central giant cell granuloma (CGCG) in a six year-old female. The lesion originated in the right mandibular ramus and progressed rapidly to involve the condyle. Diagnosis was made using a combination of imaging and pathology. A timely en bloc resection of the hemi-mandible was performed with placement of a reconstructive titanium plate and condylar prosthesis.

Conclusion

Our case demonstrates the importance of considering CGCG in the differential diagnosis of rapidly progressive mandibular lesions in the pediatric population. Prompt diagnosis and management can greatly improve long-term outcomes.
Understanding the Signaling Pathways Related to the Mechanism and Treatment of Diabetic Peripheral Neuropathy
Authors: Tang He-yong , Jiang Ai-juan , Ma Jun-long , Wang Fan-jing , Shen Guo-ming
Published: July 2019

Worldwide, the most prevalent metabolic disorder is diabetes mellitus (DM), an important condition that has been widely studied. Diabetic peripheral neuropathy (DPN), a complication that can occur with DM, is associated with pain and can result in foot ulcers and even amputation. DPN treatments are limited and mainly focus on pain management. There is a clear need to develop treatments for DPN at all stages. To make this progress, it is necessary to understand the molecular signaling pathways related to DPN. For this review, we aimed to concentrate on the main signaling cascades that contribute to DPN. In addition, we provide information with regard to treatments that are being explored.
Regulation of the ERK signalling pathway in the developing mouse blastocyst
Authors: Azami Takuya , Bassalert Cécilia , Allègre Nicolas , Valverde Estrella Lorena , Pouchin Pierre , Ema Masatsugu , Chazaud Claire
Published: July 2019

Activation of the ERK signalling pathway is essential for the differentiation of the inner cell mass (ICM) during mouse preimplantation development. We show here that ERK phosphorylation occurs in ICM precursor cells, in differentiated primitive endoderm (PrE) cells as well as in the mature, formative state epiblast (Epi). We further show that DUSP4 and ETV5, factors often involved in negative-feedback loops of the FGF pathway, are differently regulated. Whereas DUSP4 presence clearly depends on ERK phosphorylation in PrE cells, ETV5 localises mainly to Epi cells. Unexpectedly, ETV5 accumulation does not depend on direct activation by ERK but requires NANOG activity. Indeed ETV5, like Fgf4 expression, is not present in Nanog mutant embryos. Our results lead us to propose that in pluripotent early Epi cells, NANOG induces the expression of both Fgf4 and Etv5 to enable the differentiation of neighbouring cells into the PrE while protecting the Epi identity from autocrine signalling.
Use of preoperative mammography, ultrasonography, and MRI to predict nipple areolar complex involvement in breast cancer
Authors: Lim Soyeoun , Park Gyeongmin , Choi Hye-jeong , Kwon Woon Jung , Kang Byeong Seong , Bang Minseo
Published: July 2019

Objective:

To identify the predictive factors of cancer invading into the nipple.

Methods:

Patients with breast cancer undergoing mastectomy between May 2009 and March 2019 were reviewed retrospectively. Of these, those with breast cancer within 2 cm of the nipple areolar complex on ultrasonography were included in this study. Clinicopathological data of the primary tumor and imaging findings from mammography, ultrasonography, and MRI were compared between cases with and without nipple involvement by cancer.

Results:

In total, 156 of the 821 patients identified were included in the analysis. Of them, 29 had nipple involvement by cancer. Univariate analysis revealed that the following imaging results were significantly associated with nipple involvement: perineural invasion, lymphovascular invasion, lymph node metastasis; relation type between the tumor and the nipple on ultrasonography; periareolar skin thickening on mammography; and short tumor-nipple distance, continuous enhancement between the nipple and tumor, skin enhancement, and nipple enhancement on MRI. However, on multivariate logistic regression analysis, only invasion type of tumor on ultrasonography and nipple enhancement and short tumor-nipple distance on MRI were significantly correlated with nipple involvement by cancer.

Conclusion:

Imaging findings on preoperative mammography, ultrasonography and MRI are effective predictors for nipple involvement by cancer.

Advances in knowledge:

Preoperative mammography, ultrasonography, and MRI help predict nipple involvement by breast cancer.
Convex Optimization for Group Feature Selection in Networked Data
Authors: Won Daehan , Manzour Hasan , Chaovalitwongse Wanpracha
Published: July 2019

Feature selection is at the heart of machine learning, and it is effective at facilitating data interpretability and improving prediction performance by defying the curse of dimensionality. Group feature selection is often used to reveal relationships in structured data and provide better predictive power compared with the standard feature selection methods without consideration of the grouped structure. We study a group feature selection problem in networked data in which edge weights are considered as features, while each node in the network is regarded as a group feature. This problem is particularly useful in feature selection for neuroimaging data, where the data are high dimensional and the intrinsic networked structure among the features (i.e., connectivities between regions) in brain data has to be captured properly. We propose a mathematical model based on the support vector machines (SVM), which entails the ℓ0norm regularization to restrict the number of nodes (i.e., groups). To cope with the computational challenge of the ℓ0norm regularization, we develop a convex relaxation reformulation of the proposed model as a convex semiinfinite programming (SIP). We then introduce a new iterative algorithm that achieves an optimal solution for this convex SIP. Experimental results for synthetic and real brain network data sets show that our approach gives better predictive performance compared with the state-of-the-art group feature selection and the standard feature selection methods. Our technique additionally yields a sparse subnetwork solution that is easier to interpret than those obtained by other methods.
On the Construction of Substitutes
Authors: Balkanski Eric , Paes Leme Renato
Published: July 2019

Gross substitutability is a central concept in economics and is connected to important notions in discrete convex analysis, number theory, and the analysis of greedy algorithms in computer science. Many different characterizations are known for this class, but providing a constructive description remains a major open problem. The construction problem asks how to construct all gross substitutes from a class of simpler functions using a set of operations. Because gross substitutes are a natural generalization of matroids to real-valued functions, matroid rank functions form a desirable such class of simpler functions. Shioura proved that a rich class of gross substitutes can be expressed as sums of matroid rank functions, but it is open whether all gross substitutes can be constructed this way. Our main result is a negative answer showing that some gross substitutes cannot be expressed as positive linear combinations of matroid rank functions. En route, we provide necessary and sufficient conditions for the sum to preserve substitutability, uncover a new operation preserving substitutability, and fully describe all substitutes with at most four items.
Reluctant Disclosure and Transparency: Evidence from Environmental Disclosures
Authors: Fabrizio Kira R. , Kim Eun-Hee
Published: July 2019

Strategic management research increasingly examines firms’ strategies for corporate environmental and social disclosures. There are benefits to being perceived as having superior environmental performance, but firms face increasing pressure to provide more complete disclosures, potentially exposing information that will be viewed negatively by external stakeholders. We examine linguistic obfuscation as a means to balance this tension. In particular, we argue that firms may intentionally make their disclosures more complex and harder to understand, thereby blurring the negative content and increasing information processing costs of the recipient. In the context in which an information intermediary actively collects information from firms and evaluates them, we find that firms with unfavorable news to disclose use linguistic obfuscation in information disclosure to manage the tension between the pressure for more complete disclosures and the desire to project a positive image. We further demonstrate that obfuscation lessens the negative impact of reporting negative information on environmental performance ratings given by information intermediaries. This suggests that firms can and do use linguistic tactics to influence environmental ratings.
Shortest Feasible Paths with Charging Stops for Battery Electric Vehicles
Authors: Baum Moritz , Dibbelt Julian , Gemsa Andreas , Wagner Dorothea , Zündorf Tobias
Published: July 2019

We study the problem of minimizing overall trip time for battery electric vehicles in road networks. As battery capacity is limited, stops at charging stations may be inevitable. Careful route planning is crucial because charging stations are scarce and recharging is time-consuming. We extend the constrained shortest-path problem for electric vehicles with realistic models of charging stops, including varying charging power and battery-swapping stations. Although the resulting problem is theoretically hard, we propose a combination of algorithmic techniques to achieve good performance in practice. Extensive experimental evaluation shows that our approach (CHArge) enables computation of optimal solutions on realistic inputs even of continental scale. Finally, we investigate heuristic variants of CHArge that derive high-quality routes in well below a second on sensible instances.
Impact of Addiction on Family: An Exploratory Study with Reference to Slums in Kolkata
Authors: Arlappa Pearl , Jha Shrawani , S. Jayaseeli
Published: July 2019

Addiction is a cancerous evil that is spreading its poisonous fang all over the world, effecting states, communities and individuals. In India the drugs that are commonly abused are heroin, cannabis, opium, pharmaceutical preparations, alcohol and tobacco. It has been seen that addiction to or a combination of substances not only effects the health of the individual and the economy of country but also has a detrimental impact on the family, giving rise to socio-economic problems which further result in chronic mental health issues. The paper highlights three major areas, i.e., socio-economic background of the respondents, the various social impact of addiction in a family and the possible intervention strategies to address the phenomenon of addiction. This paper is an outcome of case studies conducted in ten households with drug-dependent members and Focused Group Discussions with the youth and women of the concerned families living in the Tangra slum of Kolkata. The cases were acquired through snowball sampling method with the help of a Non-Governmental Organisation working in that area. The result of the research is that there are multiple stressors-like abuse, conflict, financial problems, etc., in a family which trigger addiction and this addiction in return results in dysfunctional family structure, affecting their mental health and community life, thus, creating a scope for Social Work intervention. The research describes the several multi-facetted consequences of addiction that not only affect the individual but also their family. Consideration of such factors will help in planning future social work interventions.
Model Pelayanan Pendidikan Inklusi Di Madrasah: Studi Kasus Di Madrasah Ibtidaiyah Ibtidaul Falah Dawe-Kudus
Authors: Sulthon Sulthon
Published: July 2019

AbstrakPendidikan inklusi sebagai layanan pendidikan yang menerima anak disabilitas bersama dengan anak normal di sekolah biasa dalam perjalannya masih banyak mengalami hambatan, baik terkait dengan kekurang siapanya guru, sekolah,dan masyarakat. Dalam rangka memberikan layanan pendidikan yang merata dan adil bagi anak disabilitas, maka perlu dipikirkan untuk membangun pendidikan inklusi di madrasah. Untuk itu dilakukan penelitian yang bertujuan untuk melihat bagaimana pelaksanaan inklusi di madrasah dan bagaimana model pendidikan inklusi di madrasah. Penelitian ini menggunakan metode kualitatif dengan pendekatan fenomenologi. Hasil penelitian menunjukkan bahwa: 1) madrasah ini telah melaksanakan pembelajaran inklusi bagi siswa disabilitas, karena secara legal formal belum memiliki ijin operasional dari Dinas Pendidikan ataupun dari Kementerian Agama, maka dikatakan sebagai rintisan madrasah inklusi; 2) Model madrasah inklusi ini menggunakan model “pullout” yaitu anak disabilitas belajar bersama temannya di kelas regular dalam kelompok khusus, dan dalam waktu-waktu tertentu ditarik dari kelas regular ke ruang sumber untuk belajar dengan guru pembimbing khusus. Hal ini didasarkan pada pertimbangan: 1) anak disabilitas di madrasah ini termasuk anak lambat belajar; 2) memiliki kesulitan dalam belajar pada mata pelajaran tertentu sehingga perlu penanganan pembimbing khusus; 3) pada pelajaran yang  lainnya anak disabilitas ini masih bisa selesai pada kelas biasa.
Implementasi Kurikulum 2013 Di Sekolah Dasar Studi Tentang Best Practice yang Dilakukan Guru Sekolah Dasar Dalam Perencanaan, Pelaksanaan, dan Penilaian Kurikulum 2013
Authors: Rusman Rusman
Published: July 2019

Penerapan kurikulum baru, yaitu implementasi Kurikulum 2013 di sekolah telah dimulai sejak bulan Juli 2013.  Implementasi Kurikulum tersebut diharapkan mendorong peningkatan kualitas manajemen dan proses pendidikan pada setiap satuan pendidikan yang mengarah pada upaya peningkatan mutu pendidikan. Dilatarbelakangi oleh adanya penerapan kurikulum 2013 yang berorientasi pada pencapaian kompetensi abad-21 dan pendidikan karakter dalam rangka menyongsong revolusi industri 4.0 tersebut, penelitian ini ingin mengungkap permasalahan yang berkenaan dengan "Bagaimanakah respon guru SD terhadap terhadap implementasi Kurikulum 2013 di Kota Bandung dilihat dari kegiatan perencanaan, pelaksanaan, dan penilaian kurikulum 2013? dan "Best Practice" apa yang dapat dicontoh dalam hal perencanaan, pelaksanaan, dan penilaian kurikulum 2013 yang dilakukan oleh guru SD di Kota Bandung?   Hasil penelitian menunjukkan bahwa Respon guru SD terhadap terhadap implementasi Kurikulum 2013 di Kota Bandung berada pada kategori positif.  Untuk kegiatan perencanaan berada pada kategori sangat positif, sedangkan untuk kegiatan pelaksanaan dan penilaian kurikulum berada pada kategori positif. Terdapat beberapa  "best practice" yang dapat dicontoh dalam perencanaan, pelaksanaan, dan penilaian  dari guru SD di Kota Bandung terkait dengan implementasi Kurikulum 2013 berupa kegiatan "sharing", "hearing", "in house training", dan "modelling real teaching" yang dilaksanakan di KKG atau KKG gugus.
Kiai Hasan Ulama Mursyid Tarekat Shaththariah As a Pioneer of Modern Pesantren
Authors: Rahmat Munawar
Published: July 2019

Pesantren is a native Islamic education institution of Indonesia; while the school is a modern educational institution. The tested pesantren excelled in the development of religiosity, simple lifestyle, and independence of the santri; while schools excel in the intellectual and vocational development of the students. Learning in pesantren uses an individual system, while school uses a classical system. Kiai Hasan Ulama is the Mursyid of the Tarekat Shaththariah, better known as Wasithah, precisely Wasithah 43 (1873-1916). In 1886, he founded Pesantren Takeran (Magetan East Java) as the first modern pesantren in Indonesia that combines the excellence of pesantren and school systems. The educational model is preserved by Wasithah to the present, namely Pesantren Sabilul Muttaqien (PSM) Takeran (Wasithah 44-45), PSM Tanjunganom Nganjuk (Wasithah 46), Pondok Modern Resources At-Taqwa (Pomosda) Tanjunganom Nganjuk (Wasithah 47), and Pondok Pesantren Matlabus Salik (Pondok Al-Matlab) Jogomerto Nganjuk (Wasithah 48/now). The study aims to describe the modern pesantren model established by Kiai Hasan Ulama. The study method used a qualitative approach with documentary study techniques ((on main ideas of Mursyid), expost facto (educational institution of Wasithah 47), and depth interview with the Wasithah now. The study found that Pesantren Pomosda (2008-2012) and Pesantren Al-Matlab (2016 -...) is the present Pesantren Takeran that runs the school system excellence in pesantren ways.
Implementation of the Balanced Score Card to Achieve Strategic Goals in the State Islamic Religious Colleges
Authors: Hadijaya Yusuf , Nasution Inom , Suhairi Suhairi
Published: July 2019

Performance Management in State Islamic Religious Colleges (PTKIN) Indonesia are still often ignoring the identification of stakeholders and the primary performance indicator of management measurement goal. The Balanced Score Card (BSC) as a management approach translates the direction of Higher Education developing into an action based on the initiatives identity number and management measurement goal systems. In the context aims to determine the implementation of the Balanced Score Card at PTKIN with four perspectives which are connected as part of the chain driving to achieve the strategic point of Higher Education and performance of higher education results model. This research is qualitative research with the technique of data collection on observation, in-depth interviews, and documentation. The results paper shows that the Balanced Score Card is the performance integrating on management system at UIN Jakarta, UIN Yogyakarta, and UIN North Sumatera through the making of Score Cards with the processing of strategy maps to achieve its strategic point of higher education objectives. The Map Strategy is preparing as a companion model for its BSC implementation management goal of Higher Education.

Keywords: Balanced Scorecard, Strategic Objectives, Initiatives, and Performance Indicators

Abstrak

Manajemen Kinerja di banyak Perguruan Tinggi Keagamaan Islam Negeri (PTKIN) di Indonesia masih sering mengabaikan identifikasi stakeholders dan sistem pengukuran indikator kinerja utama. Balanced Score Card (BSC) sebagai sebuah pendekatan manajemen menerjemahkan arah pengembangan Perguruan Tinggi pada aksi yang dilandasi oleh identifikasi inisiatif dan sistem pengukuran. Dalam konteks ini, penelitian ini bertujuan untuk mengetahui implementasi Balanced Score Card di PTKIN dalam empat perspektif yang dihubungkan sebagai bagian dari rantai pendorong untuk mencapai tujuan-tujuan strategis dan hasil capaian kinerja. Penelitian ini merupakan penelitian kualitatif dengan teknik pengumpulan berupa observasi, wawancara, dan dokumentasi. Hasil penelitian menunjukkan bahwa BSC diintegrasikan dalam sistem manajemen kinerja di UIN Jakarta, UIN Yogyakarta, dan UIN Sumatera Utara melalui pembuatan score cards dan/atau peta strategi dalam mencapai tujuan-tujuan strategis.

Kata Kunci: Balanced Score Card, Tujuan Strategies, Inisiatif, dan Indikator Kinerja
Managing Quality of Learning in Islamic Schools: An Analysis of Contributing Factors for Learning Toward Quality Improvement in Private Islamic Senior High Schools in Yogyakarta
Authors: Machali Imam
Published: July 2019

This study examines on how significant the contribution of the critical factors of learning in Islamic schools is which is cover to leadership, teachers’ competencies, infrastructures, and culture of the Islamic schools on learning quality and their impact on Private Senior High Islamic school students’ satisfaction in Yogyakarta. This study implements a quantitative approach with a method of survey. The object study is Private Senior High Islamic school teachers in Yogyakarta with inclusion criteria of non-Civil Servant and has not qualified for teacher’s certification. The questionnaire is implemented in the data collection and analyzed with path correlation). The results of the study show that transformational leadership model becomes a key factor in the development of Islamic schools. Mastery of four teachers’ competencies—pedagogy, professional, social, and personality—through various training have become key for the learning quality of the Islamic schools. Adequate Infrastructures, Islamic values-based of Islamic schools ‘culture, and focusing their orientation on quality achievement and customer satisfaction have become the deciding factor for Islamic schools’ service quality.

Keywords: Leadership, Teachers’ Competencies, Learning Quality, Customer Satisfaction

Abstrak

Penelitian ini mengkaji tentang kontribusi faktor-faktor kunci pembelajaran madrasah yang meliputi kepemimpinan, kompetensi guru, sarana prasarana, dan budaya madrasah terhadap mutu pembelajaran dan dampaknya terhadap kepuasan siswa Madrasah Aliyah Swasta di Yogyakarta. Penelitian ini menggunakan pendekatan kuantitatif dengan metode survei. Obyek penelitian ini adalah guru dari Madrasah Aliyah Swasta di kota Yogyakarta dengan kriteria bukan PNS dan belum lulus sertifikasi. Pengumpulan data menggunakan kuesioner dan dianalisis menggunakan multipel analisis (korelasi-path analysis). Hasil penelitian menunjukkan bahwa model kepemimpinan transformasional menjadi faktor kunci dalam pengembangan madrasah. Penguasaan terhadap empat kompetensi guru—pedagogi, profesional, sosial, dan kepribadian—melalui berbagai pelatihan menjadi kunci mutu pembelajaran madrasah. Sarana dan prasarana yang memadai, budaya madrasah yang berbasis pada nilai-nilai Islami, dan fokus serta orientasi pada pencapaian mutu dan kepuasan pelanggan menjadi faktor penentu kualitas layanan madrasah.

Kata Kunci: Kepemimpinan, Kompetensi Guru, Mutu Pembelajaran, Kepuasan Pelanggan
The Design on Quality System Model of FTIK IAIN Pontianak in SNPT 2015 and QMS ISO 9001:2015
Authors: Muhtifah Lailial , Muskania Ricka Tesi
Published: July 2019

The Faculty of Teacher Training integrated SNPT (National Standard for Higher Education) 2015 and QMS (Management Quality Standard) ISO 9001: 2015 in Quality Model Design FTIK (Faculty of Teacher Training and Education). This paper is aimed to analyze and to create a model for quality improvement of FTIK IAIN Pontianak. This a research-and-development study (R&D) with a mixed method. The stages include the introduction, model design development, and expert’s model validation in quality testing at the Islamic Education major (PAI) and Arabic Education (PBA), and Islamic Elementary School Teacher Training (PGMI). This paper shows that there are four majors in FTIK that are still below the standard of SNPT 2015. FTIK innovated to find Model ISQEE to improve the quality of the four majors at FTIK IAIN Pontianak with SNPT 2015 and QMS ISO 9001: 2015.

Keywords: Quality model of ISQEE, SNPT 2015, QMS ISO 9001:2015

Abstrak

Fakutas Tarbiyah Mengintegrasikan SNPT (Standar Nasional Perguruan Tinggi) 2015 dan SMM (Standar Mutu Manajemen) ISO 9001:2015 dalam Desain Model Mutu FTIK (Fakultas Tarbiyah dan Ilmu Keguruan). Paper bertujuan menganalisis dan menciptakan model dalam upaya peningkatan mutu FTIK IAIN Pontianak. Jenis penelitian menggunakan research and development (R&D) dengan pendekatan mix method. Tahap studi pendahuluan, pengembangan desain model, dan validasi model expert’s judgement dalam menguji coba mutu pada jurusan PAI (Pendidikan Agama Islam) PBA (Pendidikan Bahasa Arab), PGMI (Pendidikan Guru Madrasah Ibtidaiyah), dan PIAUD (Pendidikan Islam Anak Usia Dini). Paper menunjukkan 4 jurusan FTIK masih belum standar SNPT 2015. FTIK berinovasi menemukan Model ISQEE menciptakan peningkatan mutu empat jurusan FTIK IAIN Pontianak dengan SNPT 2015 dan SMM ISO 9001:2015.

Kata Kunci: Model Mutu ISQEE, SNPT 2015, SMM ISO 9001: 2015
Human Capital and Policies on Professional Development of Islamic Education Teachers at the Department of Ministry Religion Affair Yogyakarta
Authors: Munajat Nur , Achmad Arif Aryadi
Published: July 2019

This research was aimed to identify the relevance of human capital concepts with policies on professional development of Islamic education teachers at the Department of Religion Yogyakarta. It was a qualitative study whose subject was PAIS section and teachers of Islamic education in Yogyakarta. The results showed that the relevance of human capital concept with the policies on professional development of Islamic education teachers accounts at the design of some event programs conducted by PAIS (School Islamic Education Institution) section and POKJAWAS through yearly cooperative meetings. These programs were aimed to develop Islamic education teachers — these programs targeted their knowledge, skills, and capability. The teachers of Islamic education become an outstanding resource in performing their profession as teachers of Islamic education.

Keywords: Human Capital, Policies, Developing Teachers’ Profession, Islamic Education

Abstrak

Studi ini bertujuan untuk mengetahui relevansi antara konsep Human Capital dengan kebijakan pengembangan profesi guru pendidikan agama Islam pada Kantor Kementerian Agama Kota Yogyakarta. Jenis penelitian ini adalah kualitatif. Subyek penelitian adalah seksi PAIS (Pendidikan Agama Islam Sekolah), pengawas PAI, dan guru pendidikan agama Islam di Kota Yogyakarta. Hasil penelitian menunjukkan, Relevansi Konsep Human Capital dengan Kebijakan Pengembangan Profesi Guru Pendidikan Agama Islam terletak pada perumusan serangkaian program kegiatan oleh Seksi PAIS dan POKJAWAS melalui rapat koordinasi di setiap tahunnya. Kegiatan ini bertujuan untuk pengembangan guru Pendidikan Agama Islam. Program kegiatan dilakukan guna mengembangkan sisi pengetahuan, keterampilan, maupun kecakapan.  guru pendidikan agama Islam dapat menjadi sumber daya yang unggul dalam menjalankan profesinya sebagai guru pendidikan agama Islam.

Kata Kunci: Human Capital, Kebijakan, Pengembangan Profesi Guru, Pendidikan Agama Islam