bluuebunny/crossref_metadata_2025 huggingface dataset:
Enseñanza a distancia y educación a distancia: ¿de qué estamos hablando?
Authors: Lorenzo Enrique
Published: March 2018

El propósito del presente artículo es discutir y analizar los usos y significados que las frases "educación a distancia" y "enseñanza a distancia" tienen en el discurso pedagógico contemporáneo. Partimos del supuesto que con frecuencia estas frases se utilizan como equivalentes, permitiendo esto la fusión de objetos de estudio distintos. En el ámbito de la educación presencial, desde hace varios siglos, se han señalado las diferencias entre "educación" y "enseñanza" y esto ha permitido el desarrollo de referentes teóricos que facilitan el estudio y análisis de situaciones prácticas. La fusión, o confusión, que se manifiesta en el terreno de la educación no presencial, parece ser un tema poco relevante a juzgar por la escasa reflexión que hay sobre este tópico. No obstante, pensamos que es buen momento para iniciar ese proceso de construcción. Es por eso que hoy acercamos estas breves reflexiones sobre el tema en cuestión.
Presentación
Authors: Lorenzo Enrique
Published: March 2018

Una vez más el tema de las enseñanzas y los aprendizajes de la lectura y la escritura se constituye en eje de los Cuadernos de Investigación Educativa, publicación semestral del Instituto de Educación de la Universidad ORT Uruguay. Las pesquisas recientes en el área informan sobre las dificultades y obstáculos que muchos usuarios tienen en el momento de producir o comprender textos. Investigar sobre las formas de intervención de los docentes puede constituir un buen camino para repensar las propuestas didácticas y de esa manera cooperar con el desarrollo de las competencias comunicativas.
Propuestas didácticas y recursos utilizados en la enseñanza de la lectura y la escritura en las escuelas primarias
Authors: Cruz Ruth , Di Nardo Carmen , Galmés Mabel , Lorenzo Enrique
Published: March 2018

Desde siempre ha interesado el tema de la enseñanza y el aprendizaje de la lengua escrita. Numerosas investigaciones realizadas en el área informan sobre la preocupante situación en cuanto a los resultados que se observan de los procesos de lectura y escritura.
Algunas dimensiones críticas en el análisis de la gestión de las políticas educativas
Authors: Opertti Renato
Published: March 2018

El análisis de la gestión de las políticas educativas en un sentido amplio se enmarca, por lo menos, en cinco aspectos que entendemos fundamentales para obtener una visión extensa e integrada que incorpora miradas externas e internas al sistema educativo.
El reto de la visibilidad
Authors: Cossia Lautaro
Published: March 2018

La nueva aparición de InMediaciones de la Comunicación nos sigue planteando desafíos.
Dicle Havzası Toprak Özelliklerinin Yersel Değişimlerinin Jeoistatistik ve Coğrafi Bilgi Sistemleri ile Belirlenmesi ve Haritalanması
Authors: BUDAK Mesut , GÜNAL Hikmet , ÇELİK İsmail , ACİR Nurullah , SIRRI Mesut
Published: March 2018

Toprak özelliklerinin mesafeye bağlı değişkenliklerinin belirlenmesi, incelenmesi ve haritalanması yoğun tarımsal üretim yapılan arazilerde uygun amenajmanların geliştirilmesi ve üretimin sürdürülebilirliğinin sağlanması açısından son derece önemlidir. Bu çalışmada
ülkemizin su rezervlerinin büyük bir kısmının
yer
aldığı, önemli sulama
projelerinin gerçekleşmekte olduğu Dicle Havzası’nda bir kısım fiziksel ve kimyasal toprak özellikleri belirlenmiş, mesafeye bağlı değişkenlikleri modellenmiş ve haritalanmıştır. Toprak örneklemeleri, Diyarbakır ile Siirt illeri arasında
5 x 5 km gridlere ayrılmış 4.341 km2’lik alanda her gridin yaklaşık köşesinden toplam 175 noktada 0-20 cm derinlikten alınmıştır. Toprak özelliklerinin 5 km’den kısa mesafelerdeki değişimlerinin daha doğru tahmin edilebilmesi amacıyla ardışık iki gridin köşe noktaları arasında 250 m, 750 m ve 1750 m mesafelerden de 33 toprak örneği alınmıştır. Alınan bozulmuş örneklerin
tekstür (kum, kil ve silt),
organik madde, kireç, toprak reaksiyonu, elektriksel iletkenlik, alınabilir fosfor ve potasyum analizleri yapılmıştır. Mesafeye bağlı değişkenliğin modellenmesi ile örneklenme yapılmayan noktaların ilgili özellikleri tahmin edilmiş ve yersel değişim haritaları oluşturulmuştur. Çalışma alanında en düşük
değişkenliğin pH (% VK= 3.9) ve en yüksek
değişkenliğin ise alınabilir fosfor (% VK= 137.77) konsantrasyonunda olduğu görülmüştür. En yüksek range değerine sahip toprak özelliği elektriksel iletkenlik (135.4 km) iken en küçük range değeri pH (4.74 km) için elde edilmiştir. Her bir özelliğin en düşük ve en yüksek olduğu yerlerin rahatlıkla tespit edilebildiği toprak haritaları, uygun amenajman yöntemlerinin belirlenmesi, sorunların
giderilmesi ve girdilerin en uygun kullanımı açısından
son derece yararlı araçlardır.
Effect of storage time and chlorhexidine addition on the mechanical properties of glass ionomer cements
Authors: Machado Juliana de Carvalho , Duque Cristiane , Oliveira Josânia Pitzer de , Caldo-Teixeira Angela Scarparo
Published: March 2018

Aims: To evaluate the effect of the chlorhexidine (CHX) incorporation and the storage time on the mechanical properties of glass ionomer cements (GICs). Methods: The following GICs were evaluated: Ketac Molar Easymix (KM), Vidrion R (VR) and Vitromolar (VM), containing or not CHX.  GIC liquid was modified by adding 1.25 % CHX digluconate and then manipulated with the power and placed into the stainless steel cylindrical or bar-shaped molds. GICs specimens were stored into water for 1, 7 and 28 days. After these periods, specimens were submitted to flexural, diametral tensile and compressive strength tests, according to ISO standards. Data from mechanical tests were statistically analyzed using 2-way ANOVA and Tukey tests. Results: Overall, the storage time did not influence any of the mechanical properties of the GICs tested. In contrast, the inclusion of CHX reduced significantly these properties for all GICs tested. KM presented the highest values of compressive strength for all storage times. KM + 1.25% CHX had lower compressive strength results than KM, however, it showed similar results when compared to another GICs without CHX. Conclusions: The presence of chlorhexidine, independent of the storage time, interfered on the mechanical characteristics of GIC.
Factors affecting hospital discharge in maxillofacial trauma patients: a retrospective study
Authors: Galvão-Moreira Leonardo Victor , Cantanhede Andre Luis Costa , Sousa Neto Aluisio Cruz de , Cruz Maria Carmen Fontoura Nogueira da
Published: March 2018

Aim: To determine factors that may affect the time of discharge from hospital in patients who underwent maxillofacial trauma. Methods: The sample included 115 patients seen at a public hospital in Brazil, to whom surgical maxillofacial treatment was delivered. Data were obtained from patients’ medical records and then followed by a statistical analysis using a 5% significance level. Results: The location of fractures and other clinical features such as the presence of edema and ecchymosis were found to be significantly associated with increased time of discharge from hospital (P < 0.05). When data were modeled using a GML approach, male gender was associated with a lower likelihood of prolonged hospital discharge (OR = 0.84; 95% CI: 0.72–0.98; P < 0.05), while the presence of edema was associated with greater time of hospital discharge (OR = 1.30; 95% CI: 1.14–1.49; P < 0.001). No significant association with age, etiology of trauma, and number of fractures was observed (P > 0.05). Conclusion: Female gender was associated with greater time of hospital discharge, and further concerns should be addressed to the management of lesions following maxillofacial trauma surgical interventions.
Immunohistochemical Study Of Fibronectin, Tenascin and Type I Collagen In Tongue And Lip carcinomas
Authors: Miranda João Luiz de , Matos Felipe Rodrigues de , Lages Frederico Santos , Douglas-de-Oliveira Dhelfeson Willya , Freitas Roseana de Almeida
Published: March 2018

AIM: The aim was to compare the immunoexpression of extracellular matrix proteins in squamous cell carcinomas of tongue (SCCTo) and lower lip (SCCLi). METHODS: Eleven SCCTo and 11 SCCLi were selected and examined according to Bryne’s method (1998). For immunohistochemical study utilized antibodies to fibronectin, tenascin and type I collagen. Histopathologic and immunohistochemical analysis were performed on the tumor invasive front. RESULTS: All SCCTo were classified in high score malignant grade and all SCCLi in lower score. Fibronectin showed strong immunorreactivity in the peritumoral basement membrane (BM) in 91% of SCCTo and all cases of SCCLi, while in the tumor stroma (TS) all cases of SCCTo and SCCLi had strong intensity. Tenascin had strong expression in BM of 91% cases of SCCTo and 63.4% of SCCLi and in TS had strong expression in 91% cases of SCCTo and 54.6% of SCCLi. Type I collagen demonstrated weak immunoreactivity in the TS of 72.7% cases of SCCTo and 63.4% of SCCLi. CONCLUSION: These results may suggest that the strong expression of fibronectin and tenascin proteins and the weak expression of type I collagen could play a role in the invasive process of oral SCC.
Audit of Crown and Fixed Partial Denture in a Nigerian Teaching Hospital
Authors: Funmilayo Abiodun-Solanke Iyabode M , Mojirade Ajayi Deborah , Omotayo Sulaiman Amidu
Published: March 2018

Aim: The purpose of this investigation was to document the reasons for placement, and replacement of crowns and fixed partial denture in a Nigerian Teaching Hospital. Methods: a retrospective review of patients that had advanced conservative procedures. A data collection form was used to gather the relevant information from the patients’ case notes. Section A sought information on age , gender, educational level, patients’ occupation etc. Section B recorded information on tooth/teeth involved, reason for fabrication of prosthesis and material used. Results: Three hundred and twenty six had 398 crowns while 23 patients received bridges. Patients’ ages ranged from 16-85 years with a mean of 47.7± 17.2years and a male to female ratio of 1:1.3. Thirty five percent of the crowned teeth were in the upper right quadrant, followed by the upper left quadrant with 29.4%. Upper right central incisors were the most frequently (15.6%) crowned teeth. Endodontics and esthetics were the most common reasons for initial crown placement and replacement respectively. About 60% of bridges fabricated were new, while 22.2% of replaced bridges were due to fracture of porcelain and unacceptable marginal adaptation. Conclusion: Endodontics and esthetics were the most common reasons for initial crown placement and replacement.
Antimicrobianos em alimentos de origem vegetal - uma revisão
Authors: Maia Patrícia Penido , Rath Susanne , Reyes Felix Guillermo Reyes
Published: March 2018

Doenças de origem bacteriana em frutas e hortaliças ocorrem no campo ou após a colheita, reduzem a produção e afetam a qualidade do produto para a comercialização e, muitas vezes, causam prejuízos econômicos elevados ao agricultor. O alto teor de água de frutas e hortaliças torna esses vegetais sensíveis ao ataque de bactérias. Para prevenir as perdas econômicas decorrentes de doenças bacterianas em alimentos de origem vegetal, o controle químico é feito com o uso de bactericidas agrícolas como a oxitetraciclina e estreptomicina. Esta revisão tem por objetivo abordar os antimicrobianos permitidos pela legislação brasileira para o uso em lavouras, assim como aspectos de legislação e de métodos analíticos utilizados para avaliação da presença de resíduos dos antimicrobianos em vegetais.
Propiedades psicométricas escala satisfacción y frustración necesidades psicológicas (ESFNPB) en universitarios chilenos
Authors: Del Valle Milenko , Matos Lennia , Díaz Alejandro , Pérez María Victoria , Vergara Jorge
Published: March 2018

La presente investigación tiene como propósito analizar las propiedades psicométricas de la Escala de Satisfacción y Frustración de las Necesidades Psicológicas Básicas de Autonomía, Competencia y Relación (ESFNPB) identificadas por la teoría de la autodeterminación (Deci & Ryan, 2000b), en una muestra de 297 estudiantes universitarios de distintas facultades y carreras pertenecientes a una universidad Chilena. Para lograr el objetivo, mediante un estudio psicométrico por procedimientos confirmatorios, se realizó un análisis factorial confirmatorio (AFC), analizando la propuesta de seis factores realizada por Chen et al. (2015) y se evaluó la consistencia interna de la escala mediante el Alfa ordinal. Los resultados obtenidos con la muestra de estudiantes universitarios indican una buena consistencia interna, alfa = 0.90 y 0.86 para satisfacción y frustración de las necesidades psicológicas, así mismo los resultados del análisis factorial confirmatorio mostraron un ajuste adecuado del modelo a los datos (χ²/gl = 1.75; CFI = 0.92; IFI = 0.92; TLI = 0.90; RMSEA = .05 y SRMR =.05), brindando evidencias de validez de la estructura de seis factores. Según lo anterior se considera que la escala para medir satisfacción y frustración de las tres necesidades psicológicas básicas puede ser utilizada preliminarmente en estudiantes universitarios en el contexto de la educación superior chilena, permitiendo también la relación con otras variables de interés para generar modelos explicativos que permitan profundizar la comprensión de aspectos que son de interés  institucional.
Holomorphic Embedding Load Flow Modeling of the Three-phase Active Distribution Network
Authors: Ju Yuntao
Published: March 2018

With large-scale distributed generators (DGs) in an active distribution network (ADN), conventional load flow convergence failure is incurred by heavy power transmission. The Holomorphic Embedding Load Flow Method (HELM) has proven to be more robust than the Newton–Raphson method under heavy power transmission. At present, HELM is mainly designed for balanced transmission networks. In this study, we developed a three-phase HELM model to accommodate DGs, delta connection loads, and ZIP loads for ADN. The effectiveness and better performance of the proposed method under heavy load situations were validated using modified unbalanced IEEE 13, 34, 37, and 123 test feeders.
The Role of Voltage-Gated Sodium Channel (VGSC) Gene Mutations in the Resistance of Aedes aegypti L. to Pyrethroid Permethrin in Palembang and Jakarta, Indonesia
Authors: Islami Suryadi , Hidayati Anggi Puspa Nur , Wibowo Heri , Syafruddin Din
Published: March 2018

Aedes aegypti mosquito is a vector that could transmit various pathogens, such as viruses, bacteria, and parasites. Several human diseases transmitted by Ae. aegypti mosquito are dengue fever (DHF), Chikungunya, Yellow Fever and Zika. The occurance of resistance to various insecticides, including pyrethroid, is a current problem faced by various countries. In this research, a WHO bioassay test on Palembang and Jakarta Ae. aegypti was conducted using 0.25% permethrin pyrethroid insecticide. VGSC gene fragments associated with pyrethroid resistance (L982, S989, I1011, L1014, V1016 and F1534) of resistant and sensitive strains were amplified and analyzed. The test showed the presence of resistance in Ae. aegypti isolates from Palembang and Jakarta. From the results of VGSC gene fragment analyses, it was known that there were mutations (S989P and/or V1016G) on isolates from Palembang and (S989P and/or V1016G) on resistant isolates from Jakarta.
S-layer Protein-based Biosensors
Authors: Schuster Bernhard
Published: March 2018

The present Feature Paper highlights the application of bacterial surface (S-) layer proteins as versatile components for the fabrication of biosensors. One technologically relevant feature of S‑layer proteins is their ability to self-assemble on many surfaces and interfaces to form a crystalline 2D protein lattice. The S-layer lattice on the surface of a biosensor becomes part of the interface architecture, linking the bioreceptor to the transducer interface, which may cause signal amplification. The S-layer lattice as ultrathin, highly porous structure with functional groups in a well-defined special distribution and orientation and an overall anti-fouling characteristics can significantly raise the limit in terms of variety and ease of bioreceptor immobilization, compactness of bioreceptor molecule arrangement, sensitivity, specificity, and detection limit for many types of biosensors. The present paper discusses and summarizes examples for the successful implementation of S-layer lattices on biosensor surfaces in order to give a comprehensive overview on the application potential of these bioinspired S-layer protein-based biosensors.
OPTIMALISASI KULTUR JARINGAN BAWANG PUTIH DENGAN VARIASI KONSENTRASI EKSTRAK RAGI
Authors: Putri Ardyana Hamidani , Haryanto Eddy Tri , Purnomo Djoko
Published: March 2018

Garlic potential in Indonesia to be low because the tubers as planting materials have been infected virus. Tissue culture generates plant virus free so the tuber production as healthy planting material. The role of media to the succes of tissue culture is very high. Although the available tissue culture media has nutrients contain, but for the growth of onion plantlets required additional nutrients such as yeast extract. Yeast extract contained enzyme, amino acids and vitamin needed by plant growth. The research aimed to study the effect of yeast extract on garlic plantlet growth in tissue culture. The use of yeast extract in tissue culture with MS medium for garlic explants does not increase the growth plantlet.

 
PENGARUH NAA DAN BAP TERHADAP PERTUMBUHAN SUBKULTUR ANGGREK HASIL PERSILANGAN Dendrobium biggibum X Dendrobium liniale
Authors: Hartati Sri , Budiyono Agus , Cahyono Ongko
Published: March 2018

Indonesia has a high diversity of species of orchids. One of them is the Dendrobium orchid. Orchid seeds do not have endosperm should be grown in a medium that has enough nutrients. Orchid propagation in vitro is strongly influenced by the composition of the medium used. Research through experiments aimed at studying the effect of NAA, BAP, NAA and BAP combination of the subculture plantlets growth of  hybrids orchid Dendrobium biggibum X liniale in Vacin Went media. Research conducted at the Laboratory of Tissue Culture Center for Plant Conservation Bogor Botanical Gardens. The experimental design used was completely randomized design (CRD) with two factors. The first factor was the concentration of Naphthalene Acetic Acid /NAA ( 0 ppm, 1 ppm, 3 ppm and 5 ppm). The second factor  was the type media of Benzyl Amino Purine /BAP ( 0 ppm, 1 ppm, 3 ppm and 5 ppm). Each treatment was replicated eight times. Analysis of the data by F test level 5% and if there is a significant difference continued with Duncan Multiple (Duncan's Multiple Range Test) level of 5%. The result showed that the addition  of NAA 3 ppm as much as 4,96 cm  and BAP 3 ppm as much as 4,41 cm  give a significant effect on the increase of high plantlets and  so NAA 3 ppm as much as 5,76 cm  effect  on  roots length , but did not significantly effect the number of leaves and roots.
KUALITAS AIR IRIGASI PADA KAWASAN INDUSTRI DI KECAMATAN KEBAKKRAMAT KABUPATEN KARANGANYAR
Authors: Rohmawati Sari Mukti , Sutarno Sutarno , Mujiyo Mujiyo
Published: March 2018

Subdistrict Kebakkaramat was the region with the most extensive area of rice fields and the highest rice production, in addition to the Subdistricts Kebakkramat a number of industrial areas with the greatest number two after Jaten Subdistricts. Industry in the Subdistrict Kebakkramat is dominated by the textile industry and agriculture are mostly located in areas suspected of liquid waste that contaminate irrigation water for paddy soil. Pollution caused by industrial waste, will reduce the quality of irrigation water. The purpose of this study was to determine the quality of irrigation water in the industrial area Subdistricts Kebakkaramat. This research used descriptive quantitative method implemented through field surveys and continued by laboratorium analysis. Observation variables of the quality of irrigation water include temperature, TDS, pH, DHL, DO, nitrate and metals Cr. The results showed that the TDS, pH, DHL, DO and nitrate water still in suitable with the irrigation water quality standards according to Government Regulation No. 82 of 2001, while the temperature in point 5 does not correspond to irrigation water quality standard. Cr at all observation points, except the control does not correspond to irrigation water quality standard, that exceeds a predetermined limit is 0.01 ppm.
PEMANFAATAN AZOLLA SEBAGAI SUMBER PAKAN PADA BUDIDAYA SISTEM GANDA AZOLLA-LELE
Authors: Sudadi Sudadi , Suryono Suryono
Published: March 2018

Catfish farming is strongly influenced by the high price of feed, while azolla is a water fern that has a high nutritional value, can develop quickly and preferably by catfish as feed. The research aims to obtain the most appropriate combination treatment of Azolla inoculum dose and catfish seed size in dual system Azolla - catfish, which is able to provide the highest catfish yield. The experiments were performed in catfish ponds in completely randomized design (CRD) two factors, i,e azolla inoculum doses (250, 500 and 750 gm-1) and head circumference size of catfish seed (3, 4 and 5 cm). Dose of catfish seed is 2,000 head / m2. Variables observed were azolla fresh weight and catfish fresh weight at harvest. Azolla inoculum and catfish seed deployed together in catfish ponds and feeding with concentrate feed for one month. Azolla and catfish harvesting is done on the same day using a sieve. Once drained, Azolla and catfish were weighed separately to determine the severity. Data were analyzed by F test at the level of 95%, followed by Duncan's multiple range test (DMRT) if any significance influence. The results showed that the higher the  azolla inoculum number,  the higher azolla yield. The larger the size of catfish seed the higher catfish consumption to Azolla. Catfish seed size more than 4 cm will cause an imbalance between the speed of consumption of Azolla by the catfish and the azolla growth rate, so that Azolla be devoured by catfish.
KARAKTERISASI: LIMBAH CAIR INDUSTRI TAHU DENGAN KOAGULAN YANG BERBEDA (ASAM ASETAT DAN KALSIUM SULFAT)
Authors: Yudhistira Bara , Andriani Martina , Utami Rohula
Published: March 2018

Tofu liquid waste can be further processed to produce some useful product. That can be kept anaerobically to produce some organic acid. The purpose of this study to know the microbial growth behavior characteristic of liquid tofu waste which produce with different production process, such as specific growth rate (m), doubling time (td), multiplication degree (n), product yield, and efficiency of acetic acid production. This study is also aimed to identify the acid type which produce with different production tofu process. The liquid waste which used for this study is obtained from tofu producer which uses acetic acid and calcium sulfate to coagulate the tofu protein. Liquid tofu waste was incubated 24 hour, in ambient temperature(30oC). analysis of total cell count, glucose concentration, acetic acid concentration, and pH value was evaluated in certain interval, such 0, 2, 4, 6 8, 10, 12, 14 16, 18, 20, 22, 24 hour. Acid type identification was evaluated in some phase during fermentation process. The observation result was plotted into a graphic which was shown the relationship of total cell count, with glucose concentration, acetic acid concentration, and also fermentation time. From the analysis of observation result, It can be concluded that, the specific growth rate of liquid tofu waste with acetic acid as protein coagulator is 0,3015/hour, while the specific growth rate of liquid tofu waste with calcium sulfate as protein coagulator is 0,2174/hour. The doubling time of liquid tofu waste with acetic acid as protein coagulator are 2,2991 hours, while the doubling time of liquid tofu waste with calcium sulfate as protein coagulator are 3,1877 hours. The multiplication degree of liquid tofu waste with acetic acid as protein coagulator are  2,605 times, while the multiplication degree of liquid tofu waste with calcium sulfate as protein coagulator are 1,880 times. The growth yield constant (Y p/s) of liquid tofu waste with acetic acid and calcium sulfate as protein coagulator respectively 8,1 x 109 cfu/mg and 8,1 x 107 cfu/mg. The product yield constant (Y p/s) of liquid tofu waste with acetic acid and calcium sulfate as protein coagulator respectively 1,7237 and 0,0306. The efficiency of acetic acid production during fermentation of liquid tofu waste with acetic acid and calcium sulfate as protein coagulator respectively 15,1376% and 2,5699%. Acid type identification shows that acid which was contained in liquid tofu waste recognized as Acetic acid.
PENGARUH OLEORESIN DAUN KAYU MANIS (Cinnamomum burmanii) DUA TAHAP TERHADAP KARAKTERISTIK EDIBLE FILM TAPIOKA
Authors: Utami Rohula , Khasanah Lia Umi , Yuniter Katut Kompi , Manuhara Godras Jati
Published: March 2018

Synthetic packaging caused negative impacts on environmental pollution. Utilization of edible film packaging is more effective than synthetic packaging due to the biodegradable properties. The two stages cinnamon leaves oleoresin contain active compounds that performed the antimicrobial and antioxidant activity. In this study, addition of two stages cinnamon leaves oleoresin on edible tapioca film can affect the characteristics of the edible film. Effect of two stages cinnamon leaves oleoresin on edible films characteristics was investigated. The results showed that the addition of two stages cinnamon leaves oleoresin (0%, 0.025%, 0.5%, 0.075%, and 0.1%) does not affect the thickness, tensile strength, and water vapor transmission rate of edible film, while affected the elongation and microbial inhibition of edible film. The edible film with the addition of 0.1% two stages cinnamon leaves oleoresin resulted the best microbial inhibition and physical characteristics of edible film with the thickness of 0.128 mm, tensile strength of 0.2189 MPa, elongation of 283.2721%, water vapor transmission rate of 29.786 g/jam.m2, and microbial inhibition zone of 31.394 mm.
ALGORITMA STEEPEST ASCENT HILL CLIMBING UNTUK MENYELESAIKAN MASALAH PENUGASAN
Authors: Christiana Daisy Ika , Virginia Gloria , Purwadi Joko
Published: March 2018

Penugasan adalah penetapan tugas pada tiap pekefia dan tugasnyaagil mendapat hasilyang paling baik, yaitu dengan hasil akhir maksimal dan waktu yang minimal. Masalahpenugasan memiliki syarat satu pekerja hanya mengerjakan satu tugas dan sebaliknya satutugas hanya dikerjakan oleh satu pekerja. Penugasan adalah bagian dari bidang ilmu RisetOperasi (Operation Research ), yang biasa digunakan untuk mencari hasil maksimal atauminimal. Sistem yang akan dibuat ini didukung oleh dua bidang ilmu, yaitu riset operasi dankecerdasan buatan.Dalam bidang ilmu kecerdasan buatan terdapat algoritma yang bisadigunakan untuk memecahkan masalah maksimalisasi yaitu Algoritma Sfeepesf Ascent HillClimbing.Sistem yang dibuat digunakan untukn mencari hasil akhir yang maksimal dari kapasitassuatu produksi. Masukkan berupa jumlah mesin, jumlah pekerja, dan jumlah produksi (matrikkapsitas), prosesnya dilakukan dengan mengkombinasikan hasil perhitungan matrik kapasitasmenggunakan teori penugasan, dan mencari hasil terbaik dengan algoritma Steepest AscentHill Climbing. Hasil perhitungan ditampilkan dalam bentuk rekap iterasi, perhitungan waktuproses, dan komposisi pekerja dan tugasnya. Hasil perhitungan penugasan menggunakanAlgoritma Steepest Ascent Hill Climbing telah diujicoba dengan perhitungan secara sistem danmanual, dan mendapatkan hasil akhir yang sama, jadi bisa dikatakan sistem cukup akurat.
IMPLEMENTASI ALGORITMA STOCHASTIC HILL CLIMBING PADA PERMAINAN MASTERMIND
Authors: Hartanto Ruby Vidian , Purwadi Joko , Santosa Gunawan
Published: March 2018

Artikel ini membahas tentang implementasi algoritma Stochastic Hill Climbing (SHC) pada permainan Mastermind. Mastermind adalah salah satu jenis permainan papan yang dimainkan oleh dua orang pemain, dimana satu pemain berperan menyusun sebuah kombinasi 4 warna dari 6 buah warna yang tersedia. Sedangkan pemain lainnya bertugas menebak kombinasi warna yang dipilih oleh pemain pertama. Pemain pertama akan memberikan feedback kepada pemain kedua berdasarkan tebakan pemain kedua. Permasalahan yang dihadapi adalah bagaimana mencari langkah selanjutnya untuk memaksimalkan kemenangan. Sistem yang dibangun untuk pencarian solusi menggunakan pendekatan algoritma Stochastic Hill Climbing. Pecarian dimulai dengan komputer memasukkan tebakan awal yang disebut CFG pada langkah pertama. Kemudian sistem mendapatkan feedback berdasarkan tebakan tersebut. Dari feedback tersebut sistem menentukan Tebakan Potensial yang akan digunakan untuk langkah berikutnya. Tebakan Potensial tersebut juga akan mendapatkan feedback, kemudian nilai heurstik dari CFG dan Tebakana Potensial akan dibandingkan, jika nilai heuristik CFG lebih kecil dari Tebakan Potensial, maka Tebakan Potensial tersebut akan dianggap sebagai CFG baru. Sebaliknya, jika nilai heuristik CFG lebih baik dari Tebakan Potensial, tentukan Tebakan Potensial berdasar CFG yang lama. Proses akan berlanjut hingga sistem mampu menebak Pola Rahasia.
IMPLEMENTASI ALGORITMA GENERATE AND TEST PADA PENCARIAN RUTE TERPENDEK
Authors: Welianto Selvy , Santosa Raden Gunawan , Chrismanto Antonius Rachmat
Published: March 2018

Masalah pencarian merupakan masalah yang umum diterapkan pada sistem berdasarkan Kecerdasan Buatan. Salah satu metode pencarian heuristik dalam terminology Kecerdasan Buatan yang cukup dikenal adalah Generate and Test. Travelling Salesman Problem (TSP) atau dipahami sebagai pencarian jalur terpendek sering diimplementasikan ke dalam dunia nyata. Tujuan penelitian ini adalah mengimplementasikan konsep pencarian heuristik dengan algoritma Generate and Test pada pencarian rute terpendek dengan studi kasus bus Trans Jogja. Parameter yang digunakan adalah jarak atau waktu. Dari hasil penelitian ini didapatkan sebuah sistem yang mampu menemukan rute terpendek, rute alternatif (jika ada), saran trayek yang digunakan beserta analisis perhitungan setiap rute yang ditemukan. Kata kunci : pencarian, algoritma Generate and Test, bus Trans Jogja
PERBANDINGAN METODE LZ77, METODE HUFFMAN DAN METODE DEFLATE TERHADAP KOMPRESI DATA TEKS
Authors: Nugraha Christian Puji , Santosa R. Gunawan , Chrisantyo A.A. Lukas
Published: March 2018

Data compression is a very important process in the world that has been vastly using digital files, such as for texts, images, sounds or videos. Those digital files has a varied size and often taking disk storage spaces. To overcome this problem, many experts created compression algorithms, both for lossy and lossless compression. This research discusses about testing of four lossless compression algorithms that applied for text files, such as LZ77, Static Huffman, LZ77 combined with Static Huffman, and Deflate. Performance comparison of the four algorithms is measured by obtaining the compression ratio. From the test results can be concluded that the Deflate algorithm is the best algorithm due to the use of multiple modes, i.e. uncompressed mode, LZ77 combined with Static Huffman mode, and LZ77 combined with Dynamic Huffman Coding mode. The results also showed that the Deflate algorithm can compress text files and generates an average compression ratio of 38.84%.
IMPLEMENTASI ALGORITMA NEGASCOUT PADA PERMAINAN NINE MEN’S MORRIS
Authors: Kurniawan Dany , Delima Rosa , Haryono Nugroho Agus
Published: March 2018

Application development nowadays many are using technology/knowledge of Artificial Intelligence study. This research tries to make an intelligence agent that can play Nine Men’s Morris game using Negascout algorithm. The purpose of this research are to compare the effectiveness of Negascout algorithm in exploring the best move along with time that required, compared with Alpha-Beta Pruning algorithm.  The result from this research are Negascout algorithm explores fewer nodes and require less time in the search of the best move compared with Alpha-Beta Pruning algorithm.
PERBANDINGAN ALGORITMA SUM OF SQUARED DIFFERENCE (SSD) DAN OPTIMISED SUM OF ABSOLUTE DIFFERENCE (OSAD) UNTUK PENGENALAN SIMBOL PADA CITRA EKSPRESI MATEMATIKA TERCETAK
Authors: Mahastama Aditya Wikan
Published: March 2018

The process of recognising printed mathematical expression consists of two general processes: symbol recognition  and structural analysis which reads the expression structure and the relation between symbols within the structure, provide adequate labeling to preserve it, and finally be useful to reconstruct the whole expression.This research focused on comparing the effectivity of two correlation-based pattern matching algorithms: the well-established Sum of Squared Difference (SSD) and the relatively new Optimized Sum of Absolute Difference (OSAD) which is based on average face rather than mathing all trained symbols. Which one was better will be used on the next stage of a research on converting printed mathematical expression into LaTeX notation..  Results obtained from tests conducted shown that (1) the accuracy of OSAD is 85.6% and SSD is 70,6% on various test symbols, and (2) the usage of average face in OSAD which was proposed to reduce time needed for matching, proven to have no negative effects on its matching performance. Therefore OSAD is well ahead in processing time and accuracy than SSD.
Könyv
Authors: Székely Boglárka
Published: March 2018

SZEMLE    Földvári Mónika – Tomposné Hakkel Tünde (szerk.): Riport a családokról. Kapocs könyvek, 15. Család-,Ifjúság- és Népesedéspolitikai Intézet – L’Harmattan Kiadó, Budapest, 2016.
LIFE SATISFACTION OF TEACHER EDUCATORS IN RELATION TO ORGANIZATIONAL CLIMATE
Authors: Singh Yudhpreet
Published: March 2018

The present research paper aimed to examine the relationship between life satisfaction of teacher
educator and organizational climate. The population of the study consisted of teacher educators who
work in aided and self-financed colleges of education of Amritsar. The sampling of the study was a
total of 100 teacher educators. The data for the study were collected through two different scales; Life
Satisfaction Scale and Organizational Climate Scale. According to the results of the study,teacher
educators of aided colleges are having more life satisfaction and more congenial organizational
climate than the teacher educators of self-financed colleges of education. The study also revealed that
there is positive relationship between life satisfaction and organizational climate.
Predictors of Treatment Outcomes and Adherence in Internet-based Cognitive Behavioral Therapy for Social Anxiety in China (Preprint)
Authors: Chen Huijing , Rodriguez Marcus A. , Qian Mingyi , Kishimoto Tomoko , Lin Muyu , Berger Thomas
Published: March 2018

BACKGROUND

More research is needed to explore why some patients do not achieve clinically significant improvement in online interventions.

OBJECTIVE

The aim of this study was to identify factors associated with treatment attrition, adherence and outcomes in Internet-based Cognitive Behavioral Therapy (ICBT) for social anxiety in China.

METHODS

Participants were assigned to either therapist-guided ICBT (N=183) or self-guided ICBT (N=72) groups.

RESULTS

No significant group differences were found for treatment adherence or outcomes between the therapist-guided and self-guided conditions. Participants diagnosed with Social Anxiety Disorder (SAD) were significantly less likely to dropout (OR 0.531, P = .03) compared to the subclinical group. Older participants (B = 0.17, SE = 0.04, P = .008) and participants with a diagnosis of SAD (B = 0.16, SE = 0.44, P = .01) tended to complete more modules. Participants who completed more modules (B = 0.24, SE = 0.03, P = .01) and participants who identified as female (B = -0.20, SE = 0.18, P = .04) reported greater reductions in SAD symptoms.

CONCLUSIONS

A comprehensive theoretical model of treatment adherence in online interventions is needed.
Mobile Phone Apps for Behavioral Interventions for At-Risk Drinkers in Australia: Literature Review (Preprint)
Authors: Choo Carol C , Burton André A D
Published: March 2018

BACKGROUND

The mobile technology era has ushered in the use of mobile phone apps for behavioral intervention for at-risk drinkers.

OBJECTIVE

Our objective was to review recent research relevant to mobile phone apps that can be used for behavioral intervention for at-risk drinkers in Australia.

METHODS

The inclusion criteria for this review were articles published in peer-reviewed journals from 2001 to 2017 with use of the search terms “smartphone application,” “alcohol,” “substance,” “behavioural intervention,” “electronic health,” and “mobile health.”

RESULTS

In total, we identified 103 abstracts, screened 90 articles, and assessed 50 full-text articles that fit the inclusion criteria for eligibility. We included 19 articles in this review.

CONCLUSIONS

This review highlighted the paucity of evidence-based and empirically validated research into effective mobile phone apps that can be used for behavioral interventions with at-risk drinkers in Australia.
Toward Timely Data for Cancer Research: Assessment and Reengineering of the Cancer Reporting Process (Preprint)
Authors: Jabour Abdulrahman M , Dixon Brian E , Jones Josette F , Haggstrom David A
Published: March 2018

BACKGROUND

Cancer registries systematically collect cancer-related data to support cancer surveillance activities. However, cancer data are often unavailable for months to years after diagnosis, limiting its utility.

OBJECTIVE

The objective of this study was to identify the barriers to rapid cancer reporting and identify ways to shorten the turnaround time.

METHODS

Certified cancer registrars reporting to the Indiana State Department of Health cancer registry participated in a semistructured interview. Registrars were asked to describe the reporting process, estimate the duration of each step, and identify any barriers that may impact the reporting speed. Qualitative data analysis was performed with the intent of generating recommendations for workflow redesign. The existing and redesigned workflows were simulated for comparison.

RESULTS

Barriers to rapid reporting included access to medical records from multiple facilities and the waiting period from diagnosis to treatment. The redesigned workflow focused on facilitating data sharing between registrars and applying a more efficient queuing technique while registrars await the delivery of treatment. The simulation results demonstrated that our recommendations to reduce the waiting period and share information could potentially improve the average reporting speed by 87 days.

CONCLUSIONS

Knowing the time elapsing at each step within the reporting process helps in prioritizing the needs and estimating the impact of future interventions. Where some previous studies focused on automating some of the cancer reporting activities, we anticipate much shorter reporting by leveraging health information technologies to target this waiting period.
A Web-Based, Social Networking Beginners� Running Intervention for Adults Aged 18 to 50 Years Delivered via a Facebook Group: Randomized Controlled Trial (Preprint)
Authors: Looyestyn Jemma , Kernot Jocelyn , Boshoff Kobie , Maher Carol
Published: March 2018

BACKGROUND

Online social networks continue to grow in popularity, with 1.7 billion users worldwide accessing Facebook each month. The use of social networking sites such as Facebook for the delivery of health behavior programs is relatively new.

OBJECTIVE

The primary aim of this study was to determine the effectiveness of a Web-based beginners’ running program for adults aged 18 to 50 years, delivered via a Facebook group, in increasing physical activity (PA) and cardiorespiratory fitness.

METHODS

A total of 89 adults with a mean age of 35.2 years (SD 10.9) were recruited online and via print media. Participants were randomly allocated to receive the UniSA Run Free program, an 8-week Web-based beginners’ running intervention, delivered via a closed Facebook group (n=41) that included daily interactive posts (information with links, motivational quotes, opinion polls, or questions) and details of the running sessions; or to the control group who received a hard copy of the running program (n=48). Assessments were completed online at baseline, 2 months, and 5 months. The primary outcome measures were self-reported weekly moderate to vigorous physical activity (MVPA) and objectively measured cardiorespiratory fitness. Secondary outcomes were social support, exercise attitudes, and self-efficacy. Analyses were undertaken using random effects mixed modeling. Compliance with the running program and engagement with the Facebook group were analyzed descriptively.

RESULTS

Both groups significantly increased MVPA across the study period (P=.004); however, this was significantly higher in the Facebook group (P=.04). The Facebook group increased their MVPA from baseline by 140 min/week versus 91 min for the control at 2 months. MVPA remained elevated for the Facebook group (from baseline) by 129 min/week versus a 50 min/week decrease for the control at 5 months. Both groups had significant increases in social support scores at 2 months (P=.02); however, there were no group by time differences (P=.16). There were no significant changes in the other outcomes. A process evaluation revealed relatively high levels of engagement with the Facebook group during the 8-week intervention (eg, mean number of interactions 35 [SD 41]).

CONCLUSIONS

An 8-week beginners’ running program delivered through Facebook produced sizable and sustained changes in weekly MVPA and received strong engagement and positive feedback from participants. Future research investigating this intervention approach is warranted in other populations and health behaviors.

CLINICALTRIAL

Australian New Zealand Clinical Trials Registry ACTRN12616001500448; https://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=371607&isReview=true (Archived by WebCite at http://www.webcitation.org/6xSAuz4NW)
Web-Based Communication Strategies Designed to Improve Intention to Minimize Risk for Colorectal Cancer: Randomized Controlled Trial (Preprint)
Authors: Wilson Carlene , Flight Ingrid , Zajac Ian T , Turnbull Deborah , Young Graeme P , Olver Ian
Published: March 2018

BACKGROUND

People seek information on the Web for managing their colorectal cancer (CRC) risk but retrieve much personally irrelevant material. Targeting information pertinent to this cohort via a frequently asked question (FAQ) format could improve outcomes.

OBJECTIVE

We identified and prioritized colorectal cancer information for men and women aged 35 to 74 years (study 1) and built a website containing FAQs ordered by age and gender. In study 2, we conducted a randomized controlled trial (RCT) to test whether targeted FAQs were more influential on intention to act on CRC risk than the same information accessed via a generic topic list. Secondary analyses compared preference for information delivery, usability, relevance, and likelihood of recommendation of FAQ and LIST websites.

METHODS

Study 1 determined the colorectal cancer information needs of Australians (N=600) by sex and age group (35-49, 50-59, 60-74) through a Web-based survey. Free-text responses were categorized as FAQs: the top 5 issues within each of the 6 cohorts were identified. Study 2 (N=240) compared the impact of presentation as targeted FAQ links to information with links presented as a generic list (LIST) and a CONTROL (no information) condition. We also tested preference for presentation of access to information as FAQ or LIST by adding a CHOICE condition (a self-selected choice of FAQs or a list of information topics).

RESULTS

Study 1 showed considerable consistency in information priorities among all 6 cohorts with 2 main concerns: treatment of CRC and risk factors. Some differences included a focus on general risk factors, excluding diet and lifestyle, in the younger cohort, and on the existence of a test for CRC in the older cohorts. Study 2 demonstrated that, although respondents preferred information access ordered by FAQs over a list, presentation in this format had limited impact on readiness to act on colorectal cancer risk compared with the list or a no-information control (P=.06). Both FAQ and LIST were evaluated as equally usable. Those aged 35 to 49 years rated the information less relevant to them and others in their age group, and information ordered by FAQs was rated, across all age groups and both sexes, as less relevant to people outside the age group targeted within the FAQs.

CONCLUSIONS

FAQs are preferred over a list as a strategy for presenting access to information about CRC. They may improve intention to act on risk, although further research is required. Future research should aim to identify better the characteristics of information content and presentation that optimize perceived relevance and fully engage the target audience.

CLINICALTRIAL

Australian New Zealand Clinical Trials Registry: ACTRN12618000137291; https://www.anzctr.org. au/Trial/Registration/TrialReview.aspx?id=374129 (Archived by WebCite at http://www.webcitation.org/6x2Mr6rPC)
Secure and Efficient Regression Analysis Using a Hybrid Cryptographic Framework: Development and Evaluation (Preprint)
Authors: Sadat Md Nazmus , Jiang Xiaoqian , Aziz Md Momin Al , Wang Shuang , Mohammed Noman
Published: March 2018

BACKGROUND

Machine learning is an effective data-driven tool that is being widely used to extract valuable patterns and insights from data. Specifically, predictive machine learning models are very important in health care for clinical data analysis. The machine learning algorithms that generate predictive models often require pooling data from different sources to discover statistical patterns or correlations among different attributes of the input data. The primary challenge is to fulfill one major objective: preserving the privacy of individuals while discovering knowledge from data.

OBJECTIVE

Our objective was to develop a hybrid cryptographic framework for performing regression analysis over distributed data in a secure and efficient way.

METHODS

Existing secure computation schemes are not suitable for processing the large-scale data that are used in cutting-edge machine learning applications. We designed, developed, and evaluated a hybrid cryptographic framework, which can securely perform regression analysis, a fundamental machine learning algorithm using somewhat homomorphic encryption and a newly introduced secure hardware component of Intel Software Guard Extensions (Intel SGX) to ensure both privacy and efficiency at the same time.

RESULTS

Experimental results demonstrate that our proposed method provides a better trade-off in terms of security and efficiency than solely secure hardware-based methods. Besides, there is no approximation error. Computed model parameters are exactly similar to plaintext results.

CONCLUSIONS

To the best of our knowledge, this kind of secure computation model using a hybrid cryptographic framework, which leverages both somewhat homomorphic encryption and Intel SGX, is not proposed or evaluated to this date. Our proposed framework ensures data security and computational efficiency at the same time.