检索结果-内蒙古大学图书馆

OpenCL and parallel primitives for digital TV applications

IBM JOURNAL OF RESEARCH AND DEVELOPMENT 2010年第5期54卷 7:1-7:14页

作者： Cho, S. M. Im, D. W. Jang, O. Y. Song, H. J. Paulovicks, B. D. Sheinin, V. Yeo, H. Samsung Adv Inst Technol Multicore Software Grp Gyeonggi Di South Korea Samsung Adv Inst Technol Future IT Lab Youngin Si Gyeounggi Do South Korea Nippon Telegraph & Tel Corp Commun Sci Lab Tokyo Japan Samsung Elect Seoul South Korea SAIT Seoul South Korea Univ Calif San Diego San Diego CA 92103 USA IBM Res Div Thomas J Watson Res Ctr Yorktown Hts NY 10598 USA IBM Corp TJ Watson Res Ctr Hawthorne NY USA TJ Watson Res Ctr Next Generat Comp Dept Hawthorne NY USA Elect Corp Israel Haifa Israel IBM Res Multimedia Technol Dept Yorktown Hts NY USA IBM Res Hybrid Comp Dept Yorktown Hts NY USA

Open Computing Language (R) (OpenCL (R)), which is created to support parallel programming of heterogeneous multicore-processor systems, has a very large potential for high-performance computing and consumer electronics since it provides application programming interfaces (APIs) to help make a portable code that runs across multiple devices. OpenCL is still under development, and it is not clear whether OpenCL has any advantages over other frameworks aside from portability. The purpose of our project was to define evaluation criteria, empirically evaluate OpenCL as a programming framework using evaluation criteria (e.g., performance, productivity, and portability criteria), define and implement parallel primitives in OpenCL, and demonstrate how the use of the implemented parallel primitives can have benefits for our target applications. Parallel primitive library APIs are defined to implement parallel algorithms in OpenCL, and a set of data-and task-parallel primitives is implemented and incorporated in the target applications. Multicore central processing units, the Cell Broadband Engine (R) (Cell/B.E.(R)), and graphics processing units are used as target platforms, and digital TV applications are used to evaluate usefulness of OpenCL. Preliminary results show that parallel primitives can be one of the ways to improve application performance and programmer productivity with respect to OpenCL while still maintaining software portability.

关键词： evaluation criterion High Performance Computing Parallel algorithms software portability application programming interfaces consumer electronics Portability Parallel programming Parallel Lines evaluation method central processing units Apis

来源：评论

学校读者我要写书评

暂无评论

Designing graphics programming interfaces for mobile devices

引用

IEEE COMPUTER GRAPHICS AND applicationS 2005年第6期25卷 66-75页

作者： Pulli, K Aarnio, T Roimela, K Vaarala, J Research Fellow Nokia Research Center Visiting Scientist Massachusetts Institute of Technology. Senior Research Engineer Nokia Research Center. Senior Research Engineer Nokia Research. Graphics Architect Nokia

Mobile devices have evolved to a point where interactive 3D graphics is becoming feasible. The first standardized 3D programming interfaces for mobile devices - OpenGL ES for native C/C++ and Mobile 3D Graphics (M3G) for Java applications - are now available to hardware vendors and application developers. The interfaces complement rather than compete with each other and can share the same underlying rendering engine, whether implemented in hardware or software. Three-dimensional graphics on mobile devices is still about converting descriptions of geometry, material, and illumination into pixels shown on a raster display, using the same fundamental algorithms as elsewhere. However, mobile devices\' limited capabilities must be reflected in the realizations of those algorithms, as well as in the overall graphics system design. In this article, we describe a design that attempts to take on that challenge, consisting of OpenGL ES, a low-level API, and M3G (also known as JSR-184), a high-level API for Java. We describe how the two interfaces relate to each other and existing graphics architectures on the desktop, and how they attempt to provide optimal features and performance across the whole gamut of different devices. OpenGL ES and M3G, as well as our presentation of them in this article, derive from a long tradition of graphics systems design.

关键词： Java application program interfaces interactive systems mobile computing rendering (computer graphics) M3G high-level API OpenGL ES low-level API graphics programming interface design interactive 3D graphics mobile devices rendering engine M3G OpenG application programming interfaces Three-Dimensional Images graphic images interactive systems Mobile devices Java programming language Rendering (computer graphics) Mobile Computing

来源：评论

学校读者我要写书评

暂无评论

How API Documentation Fails

引用

IEEE SOFTWARE 2015年第4期32卷 68-75页

作者： Uddin, Gias Robillard, Martin P. McGill Univ Sch Comp Sci Montreal PQ H3A 2T5 Canada Univ British Columbia Vancouver BC V5Z 1M9 Canada

Formal documentation can be a crucial resource for learning to how to use an API. However, producing high-quality documentation can be nontrivial. Researchers investigated how 10 common documentation problems manifested themselves in practice. The results are based on two surveys of a total of 323 professional software developers and analysis of 179 API documentation units. The three severest problems were ambiguity, incompleteness, and incorrectness of content. The respondents often mentioned six of the 10 problems as "blockers"' that forced them to use another API.

关键词： application Program interfaces Learning Artificial Intelligence Software Engineering System Documentation Formal Documentation Crucial Resource Learning API Documentation Unit Documentation Software Development application programming interfaces Uniform Resource Locators Standards Databases API Documentation User Study Software Engineering Software Development

来源：评论

学校读者我要写书评

暂无评论

MACHINE TONGUES .18. A CHILDS GARDEN OF SOUND FILE FORMATS

引用

COMPUTER MUSIC JOURNAL 1995年第1期19卷 25-63页

作者： POPE, ST VANROSSUM, G Computer Music Journal Berkeley CA United States

Practitioners of computer music often need to store sound as sampled digital data on hard disks, digital audio tapes, or compact discs. Discusses a few of the many ways that sound data can be stored in computer files, and describes several of the file formats that are in common use for this purpose. Extensive references are given to printed and network accessible machine readable documentation and source code resources.

关键词： Digital audio files Acoustic data Computer memory MIDI Data models Test data Computer music Integers application programming interfaces Sampling rates

来源：评论

学校读者我要写书评

暂无评论

Automatic Detection and Update Suggestion for Outdated API Names in Documentation

引用

IEEE TRANSACTIONS ON SOFTWARE ENGINEERING 2021年第4期47卷 653-675页

作者： Lee, Seonah Wu, Rongxin Cheung, Shing-Chi Kang, Sungwon Gyeongsang Natl Univ Dept Aerosp & Software Engn Jinju Daero 501 Jinju South Korea Gyeongsang Natl Univ Dept Informat Jinju Daero 501 Jinju South Korea Hong Kong Univ Sci & Technol Dept Comp Sci & Engn Hong Kong Peoples R China Korea Adv Inst Sci & Technol Sch Comp 373-1 Guseong Dong Daejeon 34141 South Korea

application programming interfaces (APIs) continually evolve to meet ever-changing user needs, and documentation provides an authoritative reference for their usage. However, API documentation is commonly outdated because nearly all of the associated updates are performed manually. Such outdated documentation, especially with regard to API names, causes major software development issues. In this paper, we propose a method for automatically updating outdated API names in API documentation. Our insight is that API updates in documentation can be derived from API implementation changes between code revisions. To evaluate the proposed method, we applied it to four open source projects. Our evaluation results show that our method, FreshDoc, detects outdated API names in API documentation with 48 percent higher accuracy than the existing state-of-the-art methods do. Moreover, when we checked the updates suggested by FreshDoc against the developers' manual updates in the revised documentation, FreshDoc detected 82 percent of the outdated names. When we reported 40 outdated API names found by FreshDoc via issue tracking systems, developers accepted 75 percent of the suggestions. These evaluation results indicate that FreshDoc can be used as a practical method for the detection and updating of API names in the associated documentation.

关键词： Documentation Computer bugs Tools History Libraries Software systems application programming interfaces documentation history software maintenance

来源：评论

学校读者我要写书评

暂无评论

Designing and evaluating the usability of an API for real-time multimedia services in the Internet

引用

MULTIMEDIA TOOLS AND applicationS 2017年第12期76卷 14247-14304页

作者： Lopez-Fernandez, Luis Garcia, Boni Gallego, Micael Gortazar, Francisco Univ Rey Juan Carlos Camino Molino S-N Fuenlabrada 28943 Spain

In the last few years, multimedia technologies in general, and Real-Time multimedia Communications (RTC) in particular, are becoming mainstream among WWW and smartphone developers, who have an increasing interest in richer media capabilities for creating their applications. The engineering literature proposing novel algorithms, protocols and architectures for managing and processing multimedia information is currently overwhelming. However, most of these results do not arrive to applications due to the lack of simple and usable APIs. Interestingly, in this context in which APIs are the critical ingredient for reaching wide developer audiences, the scientific literature about multimedia APIs and their usability is scarce. In this paper we try to contribute to fill this gap by proposing the RTC Media API: a novel type of API designed with the aim of making simple for developers the use of latest trends in RTC multimedia including WebRTC, Video Content Analysis or Augmented Reality. We provide a specification of such API and discuss how it satisfies a set of design requirements including programming-language agnosticism, adaptation to cloud environments, support to multisensory multimedia, etc. After that, we describe an implementation of such an API that has been created in the context of the Kurento open source software project, and present a study evaluating the API usability performed in a group of more than 40 professional developers distributed worldwide. In the light of the obtained results, we conclude that the usability of the API is adequate across the main development activities (i.e. API learning, code creation and code maintenance), with an average usability score of 3.39 over 5 in a Likert scale, and that this result is robust with respect to developers' profiles, cultures, professional experiences and preferred programming languages.

关键词： Media server Real-time multimedia communications application programming interfaces WebRTC Multimedia processing Multimedia tools and applications Cognitive dimensions of notations

来源：评论

学校读者我要写书评

暂无评论

Method for the Determination of Pd-Catalyst Residues in Active Pharmaceutical Ingredients by Means of High-Energy Polarized-Beam Energy Dispersive X-Ray Fluorescence

引用

ANALYTICAL CHEMISTRY 2009年第4期81卷 1404-1410页

作者： Margui, E. Van Meel, K. Van Grieken, R. Buendia, A. Fontas, C. Hidalgo, M. Queralt, I. CSIC Inst Earth Sci Jaume Almera Lab Xray Analyt Applicat E-08028 Barcelona Spain Univ Antwerp Dept Chem B-2610 Antwerp Belgium Univ Girona Dept Chem Girona 17071 Spain SA Pol Ind Celra Medichem Dept Qual Control Celra 17460 Spain

In medicinal chemistry, Pd is perhaps the most-widely utilized precious metal, as catalyst in reactions which represent key transformations toward the synthesis of new active pharmaceutical ingredients (APIs). The disadvantage of this metal-catalyzed chemistry is that expensive and toxic metal residues are invariably left bound to the desired product. Thus, stringent regulatory guidelines exist for the amount of residual Pd that a drug candidate is allowed to contain. In this work, a rapid and simple method for the determination of Pd in API samples by high-energy polarized-beam energy dispersive X-ray fluorescence spectrometry has been developed and validated according to the specification limits of current legislation (10 mg kg(-1) Pd) and the International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH guidelines). Sample. and calibration standards preparation includes a first step of homogenization and then, in a second step, the pressing of the powdered material into pellets without any chemical treatment. The use of several synthetic calibration standards made of cellulose to simulate the API matrix appears to be an effective means to obtain reliable calibration curves with a good spread of data points over the working range. With the use of the best measuring conditions, the limit of detection (0.11 mg kg(-1) Pd) as well as the limit of quantitation (0.37 mg kg(-1) Pd) achieved meet rigorous requirements. The repeatability of the XRF measurement appeared to be less than 2%, while the precision of the whole method was around 7%. Trueness was evaluated by analyzing spiked API samples at the level of the specification limit and calculating the recovery factor, which was better than 95%. To study the applicability of the developed methodology for the intended purpose, three batches of the studied API were analyzed for their Pd content, and the attained results were comparable to those obtained by the d

关键词： HIGH ENERGY specification limit American Petroleum Institute API Sex Determination Processes international conference Atomic spectrometry Caste determination Economic Resources Energy Dispersive X-Ray Spectrometry Pharmaceutical Preparations application programming interfaces Palladium AXIAL POWER INDICATOR determination method

来源：评论

学校读者我要写书评

暂无评论

System API Vectorization for Malware Detection

引用

IEEE ACCESS 2023年 11卷 53788-53805页

作者： Shin, Kyounga Lee, Yunho Lim, Jungho Kang, Honggoo Lee, Sangjin Korea Univ Sch Cybersecur Seoul 02841 South Korea

Data is essential to the performance of artificial intelligence (AI) based malware detection models. System APIs, which allocate operating system resources, are important for identifying malicious behaviors. However, few studies have been conducted on data in the malware detection AI model. They overlooked collection of benign data, which is as important as malware data, and data characterization of system APIs. As an optimization method for data-driven artificial intelligence, this paper studied the data collection, purification, preprocessing, and vectorization for EXE files and system APIs. The objectivity of the data was ensured by using global data, and a more robust model could be created by collecting benign data from Virus Total. By analyzing the weight distribution according to the order of system API execution, we identified that major malicious behaviors occurred at the beginning of execution. We found the optimal API length and optimal dimension (feature number). Finally, accuracy of the N-gram model ranged from 97.62 to 95.73, and that of the Word2Vec model ranged from 97.44 to 95.89. In the generalization performance test using different data from the source of the training ones, we confirmed that N-gram was affected by the quantity of training data, and Word2Vec was affected by data similarity. This study systematized the entire procedure of AI data processing for malware detection, and is the first study to compare and analyze statistical vectors and word embeddings based on the characteristics of system APIs.

关键词： Malware Data models Mathematical models Time complexity Heuristic algorithms application programming interfaces Probability system API vectorization N-gram statistic vector Word2Vec

来源：评论

学校读者我要写书评

暂无评论

Iran: Review of petroleum developments and assessments of the oil and gas fields

引用

ENERGY EXPLORATION & EXPLOITATION 2001年第2-3期19卷 207-260页

作者： Shammas, P APS Energy Grp Nicosia Cyprus

A significant improvement in the relationship between Iran and the US, with vital implications for the Middle East, is likely to occur during US President George Bush Jr's term in office. A breakthrough in relations with Washington will mean increased strategic leverage as a major transit route for oil and gas exports from Central Asia and an enhanced status in the region. Iran has the capacity to produce more than 4 million b/d of crude oil and is sustainable for long period. A more effective containment of the Taliban regime in Afghanistan is virtually assured if the US-Iran relations improve.

关键词： application programming interfaces Gas fields Crude oil Gas pipelines Oil pipelines Oil companies Collaboration Petroleum reserves

来源：评论

学校读者我要写书评

暂无评论

GNEM: Comprehensive Similarity Learning With Ensemble Model for Code Search

引用

IEEE ACCESS 2024年 12卷 165005-165016页

作者： Hong, Juntong Choi, Eunjong Mizuno, Osamu Kyoto Inst Technol Grad Sch Sci & Technol Kyoto 6060951 Japan Kyoto Inst Technol Fac Informat & Human Sci Kyoto 6060951 Japan

Code search is a relevant research field of software engineering, with the objective of accurately retrieving the most relevant code for a given query. However, recent deep-learning-based code search models are limited in scalability and comprehensiveness for alignment learning since these models suffer from the out-of-vocabulary problem, and affinity matrix-based cross-modal attention may lead to incorrect alignments. In this paper, we propose a novel code search model, namely the Graph Network Ensemble Model (GNEM), to address the challenges by diverse learning alignments and enhancing the similarity representation. GNEM incorporates two graph networks to learn global and fine-grained alignments for inferring comprehensive similarity. To evaluate the performance of GNEM, we compared it with baseline models using two widely used datasets. The results demonstrate that GNEM achieves a Top@1 accuracy of 0.649 and 0.702, surpassing baseline models by approximately 18.6% and 11.7% in Top@1 accuracy, respectively. We also conducted ablation experiments to show the effectiveness of each component of GNEM. Finally, we visualize the attention weights between code and query to illustrate GNEM's behaviors while code searching. The results provide insights into GNEM's effective code search capabilities.

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：