bluuebunny/crossref_metadata_2025 huggingface dataset:
The distribution of brachial plexus lesions after experimental traction: a cadaveric study
Authors: Zapałowicz Krzysztof , Radek Maciej
Published: September 2018

OBJECTIVE

The objective of the present study was to determine experimentally the distribution of lesions caused in the cadaveric brachial plexus (BP) by excessive stretching. The authors attempted to delineate the correlation between the direction of stretching and sites of lesions.

METHODS

Fifteen specimens (each comprised the spinal segment C4–T2 with 2 BPs) were harvested from adult cadavers. Each BP was stretched in a mechanical testing machine at a constant speed of 200 mm/min. Specimens were divided into 3 groups: in group A the BPs were stretched caudally at a 45° angle to the spinal midline; in group B they were stretched perpendicularly to the spinal midline; and in group C the stretching was caudally parallel to the midline. Lesions of each BP were identified and analyzed. A graph of load against dislocation was registered when stretching to delineate the maximal force (Fmax), defined as the maximum load at which BP failure occurs.

RESULTS

Based on macroscopic examination, 140 sites of mechanical damage were identified in 30 BPs. Preganglionic injuries (63.6% of lesions), defined as avulsions of the spinal ganglia with their rootlets, were found in 89 spinal nerves. In group B—in which specimens were stretched perpendicularly to the spinal segment—preganglionic injuries were significantly more frequent (41 avulsed spinal nerves) than in groups A and C (21 and 27 avulsed spinal nerves, respectively). Postganglionic lesions equivalent to neurotmesis were found in 51 sites (36.4% of all lesions) along spinal nerves, trunks, divisions, and cords. Postganglionic lesions in group B were much less frequent (8) as compared with groups A and C (24 and 19, respectively).

CONCLUSIONS

Predominance of preganglionic lesions suggests that attachments of the BP to the spine are more susceptible to traction than postganglionic elements. Preganglionic lesions were mainly produced in C7, C8, and T1 spinal nerves, suggesting their weaker attachment to the spine than in the case of C5 and C6 nerves. Preganglionic lesions were highly correlated with a traction perpendicular to the spine, whereas postganglionic lesions were provoked mainly by traction directed at 45° caudally or by means of caudal traction parallel to the midline. This discrepancy implies a relationship between mechanical resistance of pre- and postganglionic elements of the BP and the vector of force.
Spinal arachnoid cysts in adults: diagnosis and management. A single-center experience
Authors: Fam Maged D. , Woodroffe Royce W. , Helland Logan , Noeller Jennifer , Dahdaleh Nader S. , Menezes Arnold H. , Hitchon Patrick W.
Published: September 2018

OBJECTIVE

Adult spinal arachnoid cysts (SACs) are rare entities of indistinct etiology that present with pain or myelopathy. Diagnosis is made on imaging studies with varying degrees of specificity. In symptomatic cases, the standard treatment involves surgical exploration and relief of neural tissue compression. The aim of this study was to illustrate features of SACs in adults, surgical management, and outcomes.

METHODS

The authors searched medical records for all SACs in adults in the 10-year period ending in December 2016. Radiology and pathology reports were reviewed to exclude other spine cystic disorders. Recurrent or previously treated patients were excluded. Demographic variables (age, sex) and clinical presentation (symptoms, duration, history of infection or trauma, and examination findings) were extracted. Radiological features were collected from radiology reports and direct interpretation of imaging studies. Operative reports and media were reviewed to accurately describe the surgical technique. Finally, patient-reported outcomes were collected at every clinic visit using the SF-36.

RESULTS

The authors’ search identified 22 patients with SACs (mean age at presentation 53.5 years). Seventeen patients were women, representing an almost 3:1 sex distribution. Symptoms comprised back pain (n = 16, 73%), weakness (n = 10, 45%), gait ataxia (n = 11, 50%), and sphincter dysfunction (n = 4, 18%). The mean duration of symptoms was 15 months. Seven patients (32%) exhibited signs of myelopathy. All patients underwent preoperative MRI; in addition, 6 underwent CT myelography. SACs were located in the thoracic spine (n = 17, 77%), and less commonly in the lumbar spine (n = 3, 14%) and cervical/cervicothoracolumbar region (n = 2, 9%). Based on imaging findings, the cysts were interpreted as intradural SACs (n = 11, 50%), extradural SACs (n = 6, 27%), or ventral spinal cord herniation (n = 2, 9%); findings in 3 patients (14%) were inconclusive. Nineteen patients underwent surgical treatment consisting of laminoplasty in addition to cyst resection (n = 13, 68%), ligation of the connecting pedicle (n = 4, 21%), or fenestration/marsupialization (n = 2, 11%). Postoperatively, patients were followed up for an average of 8.2 months (range 2–30 months). Postoperative MRI showed complete resolution of the SAC in 14 of 16 patients. Patient-reported outcomes showed improvement in SF-36 parameters. One patient suffered a delayed wound infection.

CONCLUSIONS

In symptomatic patients with imaging findings suggestive of spinal arachnoid cyst, surgical exploration and complete resection is the treatment of choice. Treatment is usually well tolerated, carries low risks, and provides the best chances for optimal recovery.
MRI-guided laser interstitial thermal therapy in an infant with tuberous sclerosis: technical case report
Authors: Hooten Kristopher G. , Werner Klaus , Mikati Mohamad A. , Muh Carrie R.
Published: September 2018

Cortical tubers associated with tuberous sclerosis complex (TSC) are potential epileptic foci that are often amenable to resective or ablative surgeries, and controlling seizures at a younger age may lead to improved functional outcomes. MRI-guided laser interstitial thermal therapy (MRgLITT) has become a popular minimally invasive alternative to traditional craniotomy. Benefits of MRgLITT include the ability to monitor the ablation in real time, a smaller incision, shorter hospital stay, reduced blood loss, and reduced postoperative pain. To place the laser probe for LITT, however, stereotaxy is required—which classically involves head fixation with cranial pins. This creates a relative minimum age limit of 2 years old because it demands a mature skull and fused cranial sutures. A novel technique is presented for the application of MRgLITT in a 6-month-old infant for the treatment of epilepsy associated with TSC. To the authors’ knowledge this is the youngest patient treated with laser ablation. The authors used a frameless navigation technique with a miniframe tripod system and intraoperative reference points. This technique expands the application of MRgLITT to younger patients, which may lead to safer surgical interventions and improved outcomes for these children.
First experience in using Novalis shaped beam radiosurgery in Korea
Authors: Whang Choong Jin , Yee Gi Taek , Choi Chan Young , Sohn Moon-Jun , Lee Dong Joon
Published: September 2018

Object. The role of radiosurgery has become increasingly important in the treatment of intracranial lesions. In this study the authors evaluated the efficacy of the Novalis shaped beam radiosurgery system (dedicated linear accelerator) for various brain and spinal lesions.

Methods. Between November 2000 and October 2003 the authors treated 356 cases of various intracranial and extracranial lesions with Novalis shaped beam radiosurgery. Of these 356 cases, 109 cases were followed for more than a 2-year period. Fifty patients underwent fractionated stereotactic radiosurgery. Twenty patients (40%) harbored benign tumors (two acoustic neuromas, seven meningiomas, five pituitary adenomas, four optic gliomas, and two craniopharyngiomas), 18 patients (36%) harbored malignant tumors (16 glioblastoma multiforme [GBM], and two metastases), and the others included five with brainstem gliomas, one chordoma, five gliomas, and one with an arteriovenous malformation (AVM). Eighteen of 20 patients with benign tumors had good tumor control. Of 59 patients treated with single-dose stereotactic radiosurgery, 24 had benign intracranial tumors (12 acoustic neuromas, 11 meningiomas, and one pituitary adenoma), 20 had malignant tumors (two GBMs and 18 metastases), and the others were eight AVMs, two glomus jugulare tumors, three lymphomas, one pineal tumor, and one spinal tumor.

Conclusions. Stereotactic radiosurgery and fractionated stereotactic radiosurgery using the Novalis shaped beam radiosurgery system are effective and safe noninvasive treatment modalities for various intracranial and extracranial lesions.
Stereotactic radiotherapy for the treatment of acoustic neuromas
Authors: Selch Michael T. , Pedroso Alessandro , Lee Steve P. , Solberg Timothy D. , Agazaryan Nzhde , Cabatan-Awang Cynthia , Desalles Antonio A. F.
Published: September 2018

Object. The authors sought to assess the safety and efficacy of stereotactic radiotherapy when using a linear accelerator equipped with a micromultileaf collimator for the treatment of patients with acoustic neuromas.

Methods. Fifty patients harboring acoustic neuromas were treated with stereotactic radiotherapy between September 1997 and June 2003. Two patients were lost to follow-up review. Patient age ranged from 20 to 76 years (median 59 years), and none had neurofibromatosis. Forty-two patients had useful hearing prior to stereotactic radiotherapy. The fifth and seventh cranial nerve functions were normal in 44 and 46 patients, respectively. Tumor volume ranged from 0.3 to 19.25 ml (median 2.51 ml). The largest tumor dimension varied from 0.6 to 4 cm (median 2.2 cm). Treatment planning in all patients included computerized tomography and magnetic resonance image fusion and beam shaping by using a micromultileaf collimator. The planning target volume included the contrast-enhancing tumor mass and a margin of normal tissue varying from 1 to 3 mm (median 2 mm). All tumors were treated with 6-MV photons and received 54 Gy prescribed at the 90% isodose line encompassing the planning target volume. A sustained increase greater than 2 mm in any tumor dimension was defined as local relapse. The follow-up duration varied from 6 to 74 months (median 36 months).

The local tumor control rate in the 48 patients available for follow up was 100%. Central tumor hypodensity occurred in 32 patients (67%) at a median of 6 months following stereotactic radiotherapy. In 12 patients (25%), tumor size increased 1 to 2 mm at a median of 6 months following stereotactic radiotherapy. Increased tumor size in six of these patients was transient. In 13 patients (27%), tumor size decreased 1 to 14 mm at a median of 6 months after treatment. Useful hearing was preserved in 39 patients (93%). New facial numbness occurred in one patient (2.2%) with normal fifth cranial nerve function prior to stereotactic radiotherapy. New facial palsy occurred in one patient (2.1%) with normal seventh cranial nerve function prior to treatment. No patient's pretreatment dysfunction of the fifth or seventh cranial nerve worsened after stereotactic radiotherapy. Tinnitus improved in six patients and worsened in two.

Conclusions. Stereotactic radiotherapy using field shaping for the treatment of acoustic neuromas achieves high rates of tumor control and preservation of useful hearing. The technique produces low rates of damage to the fifth and seventh cranial nerves. Long-term follow-up studies are necessary to confirm these findings.
A feasibility study of 18F-fluorodeoxyglucose positron emission tomography targeting and simultaneous integrated boost for intensity-modulated radiosurgery and radiotherapy
Authors: Solberg Timothy D. , Agazaryan Nzhde , Goss Bryan W. , Dahlbom Magnus , Lee Steve P.
Published: September 2018

Object. The authors hypothesized that the efficacy of intensity-modulated radiation therapy (IMRT) can be enhanced by selectively increasing the radiation dose to the biologically active positron emission tomography (PET)-documented positive tumor subregions while simultaneously maintaining the overall clinically established target dose.

Methods. The authors undertook a feasibility study to evaluate IMRT PET/computerized tomography (CT) protocol for boost treatment in selected cancer patients. Prior to treatment, FDG-PET and CT scans were acquired using an integrated PET/CT scanner, ensuring accurate correlation between image sets. After acquisition, tumor volume and objects-at-risk (OARs) were outlined on the CT scans; any PET-positive tumor subregions were similarly outlined. Daily dosages of 1.8 to 2 Gy were prescribed to tumor volume and the margin whereas additional dosages of 10 to 20% were delivered to PET-positive subregions. Dosage—volume histogram—derived constraints were used in inverse planning to specify the desired dose to one or more PET-positive tumor subregions, CT-delineated tumor volume, and OARs. The IMRT treatment was delivered using a micromultileaf collimator.

Simultaneous integrated boost radiation was successfully delivered using IMRT with PET/CT planning. Excellent dose conformality was achieved in the tumor volume and the dose to PET-positive tumor subregions was increased while minimizing the dose to OARs.

Conclusions. When coupled with IMRT, PET/CT scanning allows dose escalation to biologically active subregions within the tumor volume. Further study is needed to determine if dose escalation to FDG-PET—active sites correlates with improved treatment outcome. Finally, in extracranial sites, PET scanning should only be performed with a dedicated PET/CT device because present image fusion technologies are inadequate for accurately registering deformable objects.
Long-term management of patients with multiple brain metastases after shaped beam radiosurgery
Authors: Okunieff Paul , Schell Michael C. , Ruo Russell , Hale E. Ronald , O'Dell Walter G. , Pilcher Webster
Published: September 2018

✓ The role of radiosurgery in the treatment of patients with advanced-stage metastatic disease is currently under debate. Previous randomized studies have not consistently supported the use of radiosurgery to treat patients with numbers of brain metastases. In negative-results studies, however, intracranial tumor control was high but extracranial disease progressed; thus, patient survival was not greatly affected, although neurocognitive function was generally maintained until death. Because the future promises improved systemic (extracranial) therapy, the successful control of brain disease is that much more crucial. Thus, for selected patients with multiple metastases to the brain who remain in good neurological condition, aggressive lesion-targeting radiosurgery should be very useful. Although a major limitation to success of this therapy is the lack of control of extracranial disease in most patients, it is clear that well-designed, aggressive treatment substantially decreases the progression of brain metastases and also improves neurocognitive survival. The authors present the management and a methodology for rational treatment of a patient with breast cancer who has harbored 24 brain metastases during a 3-year period.
Safety and efficacy of stereotactic radiosurgery for tumors of the spine
Authors: Benzil Deborah L. , Saboori Mehran , Mogilner Alon Y. , Rocchio Ronald , Moorthy Chitti R.
Published: September 2018

Object. The extension of stereotactic radiosurgery treatment of tumors of the spine has the potential to benefit many patients. As in the early days of cranial stereotactic radiosurgery, however, dose-related efficacy and toxicity are not well understood. The authors report their initial experience with stereotactic radiosurgery of the spine with attention to dose, efficacy, and toxicity.

Methods. All patients who underwent stereotactic radiosurgery of the spine were treated using the Novalis unit at Westchester Medical Center between December 2001 and January 2004 are included in a database consisting of demographics on disease, dose, outcome, and complications. A total of 31 patients (12 men, 19 women; mean age 61 years, median age 63 years) received treatment for 35 tumors. Tumor types included 26 metastases (12 lung, nine breast, five other) and nine primary tumors (four intradural, five extradural). Thoracic tumors were most common (17 metastases and four primary) followed by lumbar tumors (four metastases and four primary). Lesions were treated to the 85 to 90% isodose line with spinal cord doses being less than 50%. The dose per fraction and total dose were selected on the basis of previous treatment (particularly radiation exposure), size of lesion, and proximity to critical structures.

Conclusions. Rapid and significant pain relief was achieved after stereotactic radiosurgery in 32 of 34 treated tumors. In patients treated for metastases, pain was relieved within 72 hours and remained reduced 3 months later. Pain relief was achieved with a single dose as low as 500 cGy. Spinal cord isodoses were less than 50% in all patients except those with intradural tumors (mean single dose to spinal cord 268 cGy and mean total dose to spinal cord 689 cGy). Two patients experienced transient radiculitis (both with a biological equivalent dose (BED) > 60 Gy). One patient who suffered multiple recurrences of a conus ependymoma had permanent neurological deterioration after initial improvement. Pathological evaluation of this lesion at surgery revealed radiation necrosis with some residual/recurrent tumor. No patient experienced other organ toxicity.

Stereotactic radiosurgery of the spine is safe at the doses used and provides effective pain relief. In this study, BEDs greater than 60 Gy were associated with an increased risk of radiculitis.
Novalis Shaped Beam Radiosurgery of arteriovenous malformations
Authors: Pedroso Alessandra G. , De Salles Antonio A. F. , Tajik Katayoun , Golish Raymond , Smith Zachary , Frighetto Leonardo , Solberg Timothy , Cabatan-Awang Cynthia , Selch Michael T.
Published: September 2018

Object. The authors studied outcomes and complications in patients who harbored arteriovenous malformations (AVMs) and underwent stereotactic radiosurgery involving the Novalis shaped beam unit.

Methods. Between January 1998 and January 2002, 83 patients were treated with radiosurgery at University of California, Los Angeles. The mean patient age was 37.8 years. Forty-four patients completed follow up. There were 24 women. Sixteen patients underwent repeated radiosurgery. Embolization was performed in 13 patients and radiosurgery alone in 31. The mean follow-up period after embolization was 54.4 ± 21.9 months and 37.4 ± 14.6 months for radiosurgery alone. The mean peripheral dose was 15 Gy (range 12–18 Gy). The mean preradiosurgery lesion volume was 9.7 ± 11.9 ml for radiosurgery alone and 16.2 ± 11.3 ml for embolization. The AVMs in 13 patients (29.8%) were Spetzler—Martin Grade II, 12 (27.5%) were Grade III, eight (18.2%) Grade IV, and five (11.3%) were Grade V and VI each. Spetzler—Martin grade, volume, and peripheral dose were analyzed in consideration to outcome.

A positive trend (p = 0.086) was observed between Spetzler—Martin grade and obliteration rate. Volume per se did not predict obliteration (p = 0.48). A peripheral dose of 18 Gy was shown to be the most important predictor for occlusion (p = 0.007). The overall obliteration rate was 52.5%. A transient complication was noticed in one case (2.3%) and but no permanent deficits due to radiosurgery have been detected so far. Three patients (6.8%) bled after radiosurgery.

Conclusions. The range of the prescribed peripheral dose was narrow. An association between the mean peripheral dose of 15 Gy, high conformality, and homogeneous dose distribution permitted no permanent complications. Volume per se did not correlate with outcome. The next step will be to increase the peripheral dose shaping the beam and to achieve higher obliteration rates without increasing complications.
MENINGKATKAN KEMAMPUAN MENDENGAR MELALUI AUDIO-VISUAL UNTUK MENAMBAH VOCABULARY (KOSA KATA) BAHASA INGGRIS
Authors: Marianova Yefni
Published: September 2018

This study aims to improve the interest and quality of teaching and learning process of English students, especially on listening skills. Increased interest is done through the use of audio-visual media by displaying videos or listening to movies in the form of audio-visual which is expected to provide opportunities for the creation of fun learning conditions and to determine whether the Audio-Visual learning model can improve student activity and student achievement. This research method using TOD in three cycles in students of class VII-9 and VII-3 SMP N 21 Pekanbaru in three cycles. The three cycles cover the same stages, but with different media. Cycle 1 using notebook displays videos according to Chapter / title, KD and teaching materials, cycle 2 using notebook media with in focus listening to animation films, and cycle 3 using VCD media, consisting of four stages: planning, action execution, observation, and reflection. Actions can be done by applying learning with audio visual media. Learning process by utilizing different media then students become active to listen, record important words (vocabulary) from being heard and seen, recite, understand the meaning of words, train memory, and using vocabulary in simple sentences, student learning activeness looks more active.  Based on the results of the research, it can be seen that the students 'learning mastery on the mastery of vocabulary by using audio-visual experience improvement. Where is known from the average value of students' ability on the initial data is 76.4 (enough) with 38.6% complete students or 17 0rang. The first cycle obtained an average of 79.4 (good) with a mastery of 65.9% students or 29 people. The results of the process of the learning process of the students of Class VII-9 SMPN 21 Pekanbaru City in the second cycle increased by an average of 83.2 (good) with a completeness of 44 students or 100%. Based on the results of the data then this research is said to be successful, because more than 85% of students have obtained a value of 78 - 100. Both cycles of action was apparently many students who are interested in learning English with audio visual media. Qualitatively, the atmosphere of English learning becomes more fun and creates positive effects on student learning development
PELAKSANAAN PENDIDIKAN DAN PELATIHAN PEGAWAI APARATUR SIPIL NEGARA DI LINGKUNGAN SEKRETARIAT DAERAH KOTA PEKANBARU
Authors: Sari Fara Merian
Published: September 2018

The purpose of this research is to know the Implementation of Education and Training of State Apparatus of State Apparatus (ASN) in Pekanbaru City Regional Secretariat Year 2016 and Barriers Factor in Implementation of Education and Training of State Apparatus (ASN) in Pekanbaru City Regional Secretariat 2016. Based on the results of research on the implementation of Education and Training Method On The Job Site conducted in the Regional Secretariat of Pekanbaru In practice used the method of Debriefing, Job Rotation, Apprenticeship and Assignment While using methods of Information Presentation Techniques and Simulation Techniques, As for factors that become obstacles in the implementation of education and training (Training) Employees of State Civil Apparatus in the Regional Secretariat of Pekanbaru (1) It is not easy to obtain experienced staff from within because of the limited ability or time. (2) The number of participants must meet a favorable ratio. (3) The difficulty of arranging study time, meaning many things to consider. (4) experienced staff (senior) lack of encouragement or encouragement to new employees, so that when the learning begins the atmosphere is not conducive and the employees tend not to be passionate to follow the Training. (5) Participants may not directly apply the knowledge or skills gained from the exercise. (6) The cost is relatively larger than the cost if the exercise is held by the agency itself
Analisis Pengaruh Informativeness, Credibility, Entertainment, dan Irritation Terhadap Advertising Value Serta Implikasinya Terhadap Purchase Intention (Telaah Pada Iklan Gillette Mach 3 di Youtube)
Authors: Rivaldo Gregorius
Published: September 2018

With the growth of YouTube users, it’s advertising features gave an opportunitiy for many manufacturers and companies to market their products. One of the companies that advertise through YouTube is Gillette. Gillette uses YouTube to advertise one of their main products Gillette Mach 3 Turbo. The issues raised in this study is to determine whether or not the customer’s intention to purchase of Gillette Mach 3 Turbo inflicted by their Youtube Ad is influenced by informativeness, credibility, entertainment, and irritation through advertising value. The theoretical model presented in this study includes 5 hypotheses and to be tested using Structural Equation Model. The sample in this study were 120 respondents, androgynous male, shaved at least 3 days, have a minimum age of 17 years, a YouTube user, and have never bought Gillette Mach 3 Turbo razor. A questionnaire is designed to gather information from prospective buyers of Gillette Mach 3 Turbo razor based on the YouTube ad. Results of the analysis showed that informativeness, credibility and entertainment positive effect on purchase intention through advertising value. While irritation negative effect on purchase intention through advertising value. The conclusion of this study is that Gillette Mach 3 Turbo advertisement provides high value to prospective customers that is YouTube users.

Keywords: informativeness, credibility, irritation, entertainment, advertising value, purchase intention
Distributed Proxy Server dengan Squid pada Sistem Operasi Windows 7
Authors: Akmalia Gina , Tunggawan Elvyna , Sungiardi Kevin , Lazuardi Alfian
Published: September 2018

Proxy server is the intermediary between client and the Internet. The usage of proxy server is one of many means to avoid excessive access to the Internet. Proxy server’s cache will save every web page which has been accessed, so clients can save their bandwidth when they access same web pages repeatedly. Distributed proxy is a collection of connected proxy servers which has shared cache. This research will prove that distributed proxy server can shorten data access time and minimize bandwidth. On this research, we use Squid Proxy Server on Windows 7 as the main tool.

Index Terms - distributed proxy, shared cache, Squid
Eksplorasi Kecepatan Perhitungan Aplikasi Matematika pada Windows (98, Me, Xp, 7, 8)
Authors: Adrianto Felix , Wahyudi Inez Gavrila , Tanner Jovis
Published: September 2018

This research aims to give information regarding the speed of mathematical calculation on windows so that people can choose an operating system which suits them without wasting their time. In this research, we need a laptop and some operating systems (windows) so that we can compare one with the other accurately. The result of this research will be noted and analysed qualitatively, quantitatively, and descriptively. It shows that running the same mathematical calculation program on different operating systems will produce a same result but different time.

Index Terms - calculate the speed, operating system
Analisis dan Rekayasa Ulang Proses Bisnis Sistem Pembelian pada PT XYZ
Authors: Sulaiman Agus
Published: September 2018

In this modern era, business processes become one of the important aspects for a company to stay ahead in the competition to its competitors. A company that has an optimal business processes and supported by an integrated information system will win the competition. This study aims to optimize the purchasing business process of Company XYZ using the concept of Business Process Re-engineering (BPR) approach as the basis for designing the next module of enterprise information systems. From this study, we found that there are still business processes that need to be revised and improved to integrate the flow of data and information from one department to another department. Business process that needs to be revised is an overseas purchase; Business processes that need to be improved are Overdelivery and Under-delivery Tolerance, PO Free Goods, PO Subcontracting, and Purchasing Planning consisting of Weekly Projected Sales, Weekly Order Projection & Daily Order Projection.

Index Terms - Business Process Reengineering, Business Process Purchasing.
Penyusunan Kebutuhan Perangkat E-Banking dengan Pendekatan UI Analysis
Authors: Dinata Surya , Surendra Martinus Raditia Sigit
Published: September 2018

This paper propose a method to collect software requirement (Software Requirement Specification – SRS) using user interface analysis on several running and stable system. In this paper we analyzed user interfaces of five internet banking system in Indonesia. The result are list of internet banking features. Then the features are categorized into three category, which are most important, important, and addiontal.

Index Terms: Software Requirement Specification (SRS), Use case (UC), Internet banking, Reverse Engineering
Pengembangan Sistem Penunjang Operasional dan Pengelolaan Sumber Daya Manusia untuk Laboratorium Komputer
Authors: Suryawan Angellia Debora , Martani Marlene , Surya Mahenda Metta
Published: September 2018

Human resources are an important asset in the entire company operations activity. A human resources management support system should be provided to improve performance in  accordance with the company target. The purpose of this study is to design a model of operational and human resource management support systems that can integrate employee performance data, simplify management of employee data, and generate reports in the form of Key Performance Indicator (KPI) and Binusian Level. Methodology used in this study is using literature study, design, and test a model to make operational and human resource management information system.

Index Terms - human resources, operational support system, Key Performance Indicator (KPI)
Pembangunan Sistem Informasi Pengelolaan Kerja Praktek di Perguruan Tinggi
Authors: Setiawan Eko Budi
Published: September 2018

Implementation Work Practice in Higher Education in a subject that must be done by all students to try to implement the knowledge and skills acquired to society or industry. A large number of students who participated in the Job with limited human resources administration of the College governing its implementation, can cause problems in terms of effectiveness and efficiency of reporting and implementation. With practical work management application is expected to help the parties involved in effecting and improve efficiency in all administrative and reporting processes of practical work process. It also can improve the quality of the presentation of the information provided.

Index Terms – Aplikasi, Kerja Praktek, Sistem Informasi, Efektif, Efisien
Pengurangan Noise Sepeda Motor dan Mesin Diesel dari Sinyal Bicara dengan Algoritma Recursive Least Square
Authors: Hugeng Hugeng , Setyaningsih Endah , Wulandari Meirista
Published: September 2018

Adanya bunyi kendaraan bermotor yang tercampur dengan suara seseorang yang sedang berbicara dapat mengganggu suatu sistem contohnya pada sistem speech recognition sehingga perintah terhadap sistem tersebut tak dapat dikerjakan. Ada beberapa cara yang dapat digunakan untuk mengatasi masalah gangguan noise yaitu salah satunya menggunakan  filter adaptif dengan metode Adaptive Noise Cancellation (ANC). ANC menghilangkan noise yang tercampur dengan suatu sinyal berdasarkan noise referensi. ANC ini terdiri dari 2 bagian yaitu filter digital dan algoritma adaptif. Filter digital FIR dan algoritma adaptif RLS digunakan pada sistem ini. Pemfilteran menggunakan perangkat lunak Matlab secara simulasi dan hasil filter berupa sinyal estimasi. Keberhasilan sistem pengurangan noise ini dapat dilihat berdasarkan parameter Mean Square Error (MSE). Hasil parameter yang didapat menunjukkan bahwa sistem ini bisa mengurangi noise sepeda motor dan mesin diesel yang tercampur dengan sinyal bicara walau pun  nilai MSE yang dihasilkan cukup besar.

Keywords - Adaptive, Filter, ANC, RLS
Proxy Selector Berbasis Link-State
Authors: Tunggawan Edwin , Nugroho I. Hargyo Tri
Published: September 2018

Pemilihan proxy server yang digunakan untuk menjelajah web seringkali dilakukan secara manual oleh pengguna. Proses ini dapat diotomatisasi dengan menggunakan aplikasi proxy selector. Pada penelitian ini, proxy selector dikembangkan dengan mengadaptasi algoritma link-state. Algoritma disesuaikan untuk pemilihan proxy. Aplikasi juga diberikan kemampuan untuk melakukan prediksi dengan menggunakan perhitungan moving average untuk menghitung perkiraan performa proxy server yang diuji. Untuk mendapatkan hasil perhitungan yang lebih akurat, diilakukan percobaan untuk menentukan panjang periode (n) moving average yang paling baik dengan menggunakan perhitungan mean squared error terhadap data. Dari hasil perhitungan tersebut, didapatkan panjang periode yang memberikan hasil prediksi terbaik pada data percobaan.

Keywords—proxy selector, link-state, moving average, mean squared error
Implementasi Fuzzy Hashing untuk Signature Malware
Authors: Rinaldi Aditia
Published: September 2018

Cryptographic hash value has long been used as a database of signatures to identify malware. The most widely used is the MD5 and/or SHA256. In addition, there are fuzzy hashing that slightly different from the traditional hash: length hash value is not fixed and hash value can be used to calculate the degree of similarity of some malware that may still be a variant. This research use ssdeep tool to calculate fuzzy hash. Database signature with fuzzy hash is smaller than SHA256 and larger than MD5. The level of accuracy for the detection of script-based malware variants is greater than the executable-based malware variants.

Index Terms—file signature, fuzzy hashing, malware signature, rolling hashing, sha
Implementasi Audio Steganografi menggunakan 4th LSB dan Advanced Encryption Standard pada Windows Phone
Authors: Maricar M. Chaeril , Hansun Seng
Published: September 2018

Securing data during transmission become one of the problem in technology, those data can be intercepted and read by others. One preventive action to overcome this is by using steganography. This thesis implements an audio steganography using Windows Phone. Combination of Advanced Encryption Standard to secure data and Audio Wave Steganography which embedded data inside 4th LSB layer, resulting in increased safety and robustness against noise addition compared to 1st LSB.

Index Terms—Advanced Encryption Standard, Audio Steganography, Audio Wave Steganography, Least Significant Bit, Windows Phone.
Optimasi Pencarian Kata pada Aplikasi Penerjemah Bahasa Mandarin – Indonesia Berbasis Android dengan Algoritma Levenshtein Distance
Authors: Peggy Peggy , Hansun Seng
Published: September 2018

In the Chinese-Indonesian language translator application on electronic device, such as Android, input is all about pinyin. Sometimes, some errors could occured. User can not find the word which he is searching for. These errors can increase the number of processing time. A solution to solve these errors is performing optimization on the application, i.e. by providing some alternative approaches word which typed by user. Application will sort alternative words according to the smallest distance to the largest distance. Then, application will display alternative words order from top priority which has the smallest distance, to low priority which has the largest distance. In brief, translator application with optimization is useful to shorten processing time of translating from Chinese to Indonesian by providing alternative words. Optimization is done with Levenshtein Distance algorithm. Levenshtein Distance algorithm will calculate the difference between the distance of the word user typed among alternative words.

Index Terms─Android, Chinese, Indonesian, Levenshtein Distance, optimization, translator application
Penerapan Algoritma C4.5 pada Analisis Kerusakan Barang Jadi
Authors: Oktana Ivan , Hansun Seng
Published: September 2018

A Data mining is the activity that includes the collection, the use of historical data to discover regularity, patterns and relationship in a large data set. The usefulness of data mining is to specify a pattern to be found in the data mining task. The presences of data mining is motivated by the problem of data explosion which had been experienced lately these day where many organization or company collect so many years of data (purchasing data, sales data, damage data item, transaction data, and so on). In this paper data mining methods been used to analyze the damage data of finished products, with the goal of producing a pattern of the damage product. Based on the pattern from product’s damage, can be see and the aspects that affect to the damaged product. The purpose of this study is to show information about the relationship of damage data of finished goods using C4.5 algorithms in PT. Kayu Lapis Asli Murni, and display results in the form of a decision tree mining.

Index Terms—data mining, C4.5 algorithms, decision tree, damage data of finished products, PT. Kayu Lapis Asli Murni
Analisis Wavelet 2D untuk Citra Photo
Authors: Hansun Seng
Published: September 2018

Wavelet atau gelombang pendek biasa digunakan dalam analisa sinyal, analisa numeris, maupun sistem kendali. Dalam penerapannya di analisis sinyal, wavelet dapat diterapkan untuk menganalisis citra dua dimensi dengan tujuan merekonstruksi citra dalam ukuran yang lebih kecil. Berbagai perangkat lunak juga telah mendukung analisa wavelet untuk pemrosesan sinyal ini, salah satunya wavelet toolbox dari MATLAB. Pada tulisan ini, penulis mencoba untuk merekonstruksi sebuah citra dua dimensi dengan analisis wavelet menggunakan MATLAB.

Index Terms—wavelet transform, citra photo, 2D, MATLAB
Rancang Bangun Aplikasi Transport Booking Berbasis Android dengan Teknik Enkripsi Advanced Encryption Standard
Authors: Hadi Albertus Radityo , Prasetiyowati Maria Irmina
Published: September 2018

Pemesanan kendaraan pada PT Indodev Niaga Internet saat ini hanya dapat dilakukan melalui komputer. Hal ini kurang efektif apabila karyawan ada tugas mendadak dan harus memesan terlebih dahulu melalui komputer. Guna mengatasi hal tersebut, maka perlu dibangun suatu aplikasi yang diimplementasikan pada perangkat yang mudah di akses setiap saat, yaitu telepon genggam. Aplikasi ini dibangun pada telepon genggam berbasis Android dengan bahasa pemprograman Java, menggunakan basis data SQL Server, dan untuk menjaga keamanan data yang dikirimkan menggunakan teknik enkripsi Advance Encryption Standard (AES).

Kata kunci — aplikasi pemesanan kendaraan, Android, PT Indodev Niaga Internet, AES
Gamified e-Commerce A New Paradigm on e-Media Business
Authors: Hansun Seng
Published: September 2018

Nowadays, e-commerce and e-business have increasingly become a necessary component of business strategy. It’s also become a strong catalyst for economic development. We can see it through the report given by various authors [1, 2, 3]. Gamification, on the other hand, is a new term used to describe the using of game elements and game design techniques in other non-game areas/activities, such as business, education, health, politics, etc [4]. Gamification studies and improvements also take place on the e-commerce fields, as we can see on some e-commerce sites, such as ebay, foursquare, amazon gold box, and salesforce.com which has implement the gamification concept on their sites. On this paper, we will explore this new paradigm on e-media business: the usage of gamification concept on e-commerce field. Is it possible? What are the advantages? And what are the disadvantages? All this questions lead us to the new term known as GE-commerce (Gamified E-commerce).

Index Terms—e-commerce, gamification, business strategy, ge-commerce
Perancangan Aplikasi Sistem Pakar untuk Mendiagnosa Penyakit pada Manusia
Authors: Kusnadi Adhi
Published: September 2018

Pertambahan jumlah penduduk yang relatif cukup cepat, diiringi pertambahan usia harapan hidup manusia, menambah jumlah penduduk di dunia, sehingga bertambah komplek pula permasalahan yang ditimbulkan, seperti sandang, pangan, papan, kesehatan dan lain sebagainya. Dalam masalah kesehatan semakin banyak jumlah penderita suatu penyakit dan bertambah pula jenis penyakit. Sedangkan jumlah ahli kesehatan seperti dokter terbatas jumlahnya. Oleh karena itu perlu dibangun suatu sistem yang dapat membantu ahli kesehatan, penderita atau siapapun yang bergerak dibidang kesehatan untuk meringankan pekerjaannya. Sistem ini merupakan prototipe dan  dibuat sesederhana mungkin, sehingga para pemakai dapat dengan mudah menggunakannya dan merancang ulang sistem pakar ini untuk jenis penyakit lainnya. Sistem dibuat terbatas pada diagnosa suatu penyakit berdasarkan ciri-ciri penyakit. Karena masih banyak orang yang tidak mengetahui gejala–gejala suatu penyakit. Dengan menggunakan sistem pakar ini, penyakit dapat dikenali dengan melihat gejala-gejala yang dapat menjelaskan dan  menggambarkan apakah seseorang diduga terkena suatu penyakit atau tidak. Dengan adanya sistem pakar ini, orang awam mampu mendeteksi adanya penyakit pada dirinya atau orang lain berdasarkan gejala-gejala yang dirasakan dengan menjawab pertanyaan  seperti halnya berkonsultasi ke dokter. Dengan demikian, orang awam dapat mendeteksi penyakit beserta solusi pengobatannya sejak dini sehingga bisa dilakukan penanganan segera, bahkan dapat dilakukan upaya pencegahan terhadap penyakit tertentu. Untuk mempermudah perancangan sistem pakar ini, diambil kasus untuk perancangan sistem pakar untuk Penyakit TBC. Sistem masih terbatas pada diagnosa penyakit, apakah seseorang diduga terkena penyakit TBC atau tidak, cara pencegahan dan pengobatannya.

Kata kunci - gejala penyakit, pakar, TBC
MPEG-7: Sebuah Tinjauan Menuju Level Semantik
Authors: Gunawan Dennis , Kuntarto Guson Prasamuarso
Published: September 2018

Multimedia semakin mudah ditemukan dalam kehidupan sehari-hari karena proses distribusi multimedia dapat dilakukan melalui web sehingga ketersediaan media digital meningkat secara signifikan. Oleh karena itu, proses anotasi dan indexing perlu dilakukan terhadap konten multimedia untuk memungkinkan proses search dan retrieval yang efektif. Akan tetapi, informasi seperti struktur internal dan specific features dari media stream tidak tersedia sehingga perlu dilakukan standarisasi. MPEG7 merupakan standar yang dominan digunakan pada konten multimedia. Namun, standar tersebut tidak menyediakan deskripsi konten multimedia secara semantik sehingga dibutuhkan representasi semantik yang dapat dimengerti oleh mesin yang memungkinkan interoperabilitas dan integrasi MPEG-7 dengan deskripsi metadata dari domain yang lain. Untuk mengatasi hal tersebut, dapat dilakukan penambahan semantic and logical level of abstraction yang menyediakan semantics untuk symbolic level of abstraction.

Kata kunci—MPEG-7 descriptors, multimedia, multimedia content description interface, semantics
Optimasi Pencarian Jalur dengan Metode A-Star
Authors: Mutiana Veronica , Amastini Fitria , Mutiara Noviana
Published: September 2018

High level of traffic density can lead to traffic jam those will make troublesome for driver to reach destination with alternative shortest path on time. Therefore, it is neccessary to make an agent that can choose optimal route without being stuck on traffic jam. In this paper, algorithm for choose optimal route is A* method for shortest path problem and use backtrack process when there is a traffic jam occurs on several roads. The design of algorithm is tested by using data which contain 100 locations or nodes and 158 roads or paths in Gading Serpong with an agent that can searching shortest path and sensor module that can send the traffic status based on number of vehicle on several particular node. Based on testing, A* method does not guarantee for path selection if agent is not full observable with environment and there is some case that can lead a worst case.

Index Terms— A* Algorithm, Backtrack, Shortest Path, Traffic Density
Optimalisasi Lampu Lalu Lintas dengan Fuzzy Logic
Authors: Yudanto Adhitya Yoga , Apriyadi Marvin , Sanjaya Kevin
Published: September 2018

The traffic lights problem is already commonly found in large cities. The traffic lights are supposed to control the flow of the road, but sometimes causes a congestion. This happens because the distribution of the time are all the same for all lines, without seeing the condition of the density of each lane. There’s one effort that can be done to overcome this problem, is to create a traffic light control system. With this system, the congestion that occurs around the traffic lights can be reduced. This system is using fuzzy logic. Fuzzy logic is one of computer science that studies about the value of truth that worth a lot. For example, a air conditioning system control subway Sendai in Japan. As for making a traffic light control system, the author using Fuzzy Inference System (FIS) that already exist in the application of MATLAB R2013a with Mamdani method.

Index Terms —fuzzy logic, traffic lights, MATLAB.
Cloud Gaming Masa Depan Industri Game
Authors: Sudirman Dodick Zulaimi
Published: September 2018

With a high rate of internet penetration, many developer kept trying to innovate using Internet as the backbone. One innovation that is under a microscope of every technology observer is Cloud Gaming. In order to play a new game, player need to check their computer specification before even try to install the game. loud Gaming can solve that solution by using internet connection. Unfortunately Indonesia does not have a supporting infratructure in order to fully support Cloud Gaming.

Index Terms—cloud gaming, video game, server architectire, software development, game industry
Implementasi Data Mining dengan Algoritma C4.5 untuk Memprediksi Tingkat Kelulusan Mahasiswa
Authors: Kamagi David Hartanto , Hansun Seng
Published: September 2018

Graduation Information is important for Universitas Multimedia Nusantara  which engaged in education. The data of graduated students from each academic year is an important part as a source of information to make a decision for BAAK (Bureau of Academic and Student Administration). With this information, a prediction can be made for students who are still active whether they can graduate on time, fast, late or drop out with the implementation of data mining. The purpose of this study is to make a prediction of students’ graduation with C4.5 algorithm as a reference for making policies and actions of academic fields (BAAK) in reducing students who graduated late and did not pass. From the research, the category of IPS semester one to semester six, gender, origin of high school, and number of credits, can predict the graduation of students with conditions quickly pass, pass on time, pass late and drop out, using data mining with C4.5 algorithm. Category of semester six is the highly influential on the predicted outcome of graduation. With the application test result, accuracy of the graduation prediction acquired is 87.5%.

Index Terms-Data mining, C4.5 algorithm, Universitas Multimedia Nusantara, prediction.
Sequence Diagram Sebagai Perkakas Perancangan Antarmuka Pemakai
Authors: Nurdam Nofriyadi
Published: September 2018

User interface is very important part of an information system. Design requires a serious effort, especially in understanding the user requirements. User interface should support users in completing their tasks. This is becoming the user requirements to be fulfilled by information systems. In reviewing the user requirements a designer can use tools. Tool discussed in this paper is the Sequence Diagram.

Index Terms— Information system, design, sequence diagram, tools, user interface, user requirements.