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Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)最新文献

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An event driven software architecture for enterprise-wide data source integration 用于企业级数据源集成的事件驱动软件体系结构
Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540) Pub Date : 2000-03-27 DOI: 10.1109/ITCC.2000.844197
P. M. Espiñeira, C. A. Sigüenza, J. Nogueira, F. Poza, M. Domínguez
{"title":"An event driven software architecture for enterprise-wide data source integration","authors":"P. M. Espiñeira, C. A. Sigüenza, J. Nogueira, F. Poza, M. Domínguez","doi":"10.1109/ITCC.2000.844197","DOIUrl":"https://doi.org/10.1109/ITCC.2000.844197","url":null,"abstract":"This is a work in progress paper where the authors are involved in a telco corporation reengineering project of a half terabyte data warehouse (DW). Firstly the DW context is introduced, focusing in three related and critical issues: the data source integration, component reuse and performance bottlenecks. Then we discuss the actual implicit architecture found in the runtime system, identifying the problems. Finally the proposed architecture is presented. It has two views: a static made with filters and pipes, and a dynamic based on an event driven scheduler, as opposed to a fixed time one. In the runtime scenario, the scheduler reads the pipe configurations from the metadata repository, and then executes on the fly the planned filters, transforming data into business information.","PeriodicalId":146581,"journal":{"name":"Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127346936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
A Jigsaw query processing technique for Web GIS 面向Web GIS的拼图查询处理技术
Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540) Pub Date : 2000-03-27 DOI: 10.1109/ITCC.2000.844254
Sung-Hee Kim, Chi-Young Yoo, Hae-Young Bae, Young-Geol Lee, Jong-Hoon Kim, Jae-dong Lee, Jaehong Kim
{"title":"A Jigsaw query processing technique for Web GIS","authors":"Sung-Hee Kim, Chi-Young Yoo, Hae-Young Bae, Young-Geol Lee, Jong-Hoon Kim, Jae-dong Lee, Jaehong Kim","doi":"10.1109/ITCC.2000.844254","DOIUrl":"https://doi.org/10.1109/ITCC.2000.844254","url":null,"abstract":"As computing environments for the Internet have been expanding, research on Internet GIS has developed. The omnipresence and easiness of the Web focuses the research on Web GIS. Web GIS is classified into a server-side Web GIS and client-side Web GIS. The former can easily be implemented but raises the overload of the server, the latter lessens the overload of the server, but raises some problems. To solve these problems, this paper proposes a Jigsaw query processing technique that processes user queries dynamically. For an evaluation, the detailed experiments such as map browsing, layer control, point query and region query are conducted comparing the proposed technique with the two other methods. Based on the results of experiments, the proposed technique can give the user a fast response and increase system performance.","PeriodicalId":146581,"journal":{"name":"Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115792716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Segmentation and validation of commercial documents logical structure 商业文档逻辑结构的分割和验证
Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540) Pub Date : 2000-03-27 DOI: 10.1109/ITCC.2000.844221
Miguel Diogenes Matrakas, Flávio Bortolozzi
{"title":"Segmentation and validation of commercial documents logical structure","authors":"Miguel Diogenes Matrakas, Flávio Bortolozzi","doi":"10.1109/ITCC.2000.844221","DOIUrl":"https://doi.org/10.1109/ITCC.2000.844221","url":null,"abstract":"The main objective of the work is to present an approach to extract and validate the logical structure from the images that compose a commercial document. The nearest neighbor rule algorithm was used for labeling the elements, and the Run Length Smoothing Algorithm (RLSA) was used to segment the image of a commercial document of the type letter, official letter or memo. The most common classes considered are: date, logotype, text body, signature, addressee, invocation and greeting. The labeling of the elements is accomplished using the nearest neighbor rule algorithm with a vector comprising 28 characteristics. The accomplished study presented a good result for the classification of elements on commercial documents. It was created and used a base composed of 283 images of commercial documents in 256 gray levels for document element classification.","PeriodicalId":146581,"journal":{"name":"Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130240664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
OctMesh-interactive mesh browsing over the Internet octmesh -在Internet上的交互式网格浏览
Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540) Pub Date : 2000-03-27 DOI: 10.1109/ITCC.2000.844191
Hongwu Wang, Jin Li
{"title":"OctMesh-interactive mesh browsing over the Internet","authors":"Hongwu Wang, Jin Li","doi":"10.1109/ITCC.2000.844191","DOIUrl":"https://doi.org/10.1109/ITCC.2000.844191","url":null,"abstract":"This paper proposes OctMesh, an interactive mesh browsing scheme over the Internet. In OctMesh, a large-scale mesh is encoded into one bit-stream, which is organized with respect to spatial locality and resolution. When the mesh is viewed over the Internet, by examining the user's viewpoint, the compressed mesh with desired locality and resolution is streamed to the client. OctMesh enables a large-scale mesh to be viewed quickly, over the Internet.","PeriodicalId":146581,"journal":{"name":"Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128448762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A wavelet-based technique for image similarity estimation 基于小波的图像相似度估计技术
Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540) Pub Date : 2000-03-27 DOI: 10.1109/ITCC.2000.844212
E. Regentova, S. Latifi, Shulan Deng
{"title":"A wavelet-based technique for image similarity estimation","authors":"E. Regentova, S. Latifi, Shulan Deng","doi":"10.1109/ITCC.2000.844212","DOIUrl":"https://doi.org/10.1109/ITCC.2000.844212","url":null,"abstract":"In this paper we proposed a method to evaluate the similarity of images compressed by a given digital wavelet transform, which allows for comparing lossless or lossy-compressed images. Two features that describe the image structural content, edge point locations and edge density, are computed directly from multiscale data. Depending on the image type and the feature selections for processing, the distance between two images is computed in one- or two-dimensional space. This method facilitates content-based image querying and automatic database retrieval. In addition, images can be sorted and appropriately indexed with respect to such global characteristics as smoothness, texture direction and repetition period.","PeriodicalId":146581,"journal":{"name":"Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128657183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Implementation of informed prefetching and caching in Linux Linux中知情预取和缓存的实现
Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540) Pub Date : 2000-03-27 DOI: 10.1109/ITCC.2000.844268
D. Huizinga, Saurabh Desai
{"title":"Implementation of informed prefetching and caching in Linux","authors":"D. Huizinga, Saurabh Desai","doi":"10.1109/ITCC.2000.844268","DOIUrl":"https://doi.org/10.1109/ITCC.2000.844268","url":null,"abstract":"This paper describes the design and implementation of an application-aware Informed Prefetching and Caching (IPrC) system for the Linux operating system. IPrC is a technique for improving application response time by exploiting I/O and computation parallelism. This proactive mechanism utilizes hints (application disclosed file access patterns) in order to pre-fetch the needed data blocks ahead of time and place them in the page cache. While well-studied in experimental systems IPrC technology has not been transferred to commercial or widely-used operating systems. We believe that our work is unique in that respect. We show that an implementation of the IPrC system in Linux is not only feasible but also extremely beneficial, especially for applications with non-sequential file access patterns. Our IPrC system is implemented by replacing the traditional read-ahead mechanism in the Linux kernel. The experiments conducted on a 60 MHz Intel PC show execution time reduction of 15-39% for various testing scenarios.","PeriodicalId":146581,"journal":{"name":"Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130799176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Robust protocols for proving ownership of images 用于证明图像所有权的健壮协议
Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540) Pub Date : 2000-03-27 DOI: 10.1109/ITCC.2000.844178
M. Ramkumar, A. Akansu
{"title":"Robust protocols for proving ownership of images","authors":"M. Ramkumar, A. Akansu","doi":"10.1109/ITCC.2000.844178","DOIUrl":"https://doi.org/10.1109/ITCC.2000.844178","url":null,"abstract":"We explore the problem of proving ownership or origin of multimedia content like image/video or audio signals through watermarking. The need for watermarking arises out of the unsuitability of present copyright laws for claiming ownership of digital content. Watermarking schemes however, are threatened by counterfeit attacks, which primarily use the freedom available in the choice of signature or choice of the watermarking method. A restrictive protocol for watermarking could go a long way in rendering counterfeit attacks extremely difficult. We suggest a comprehensive protocol that makes it possible for the true owner to claim ownership unambiguously, while making it extremely difficult for a pirate to do so.","PeriodicalId":146581,"journal":{"name":"Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132082128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Digital watermarking using inter-block correlation: extension to JPEG coded domain 使用块间相关性的数字水印:扩展到JPEG编码域
Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540) Pub Date : 2000-03-27 DOI: 10.1109/ITCC.2000.844196
Yoonki Choi, K. Aizawa
{"title":"Digital watermarking using inter-block correlation: extension to JPEG coded domain","authors":"Yoonki Choi, K. Aizawa","doi":"10.1109/ITCC.2000.844196","DOIUrl":"https://doi.org/10.1109/ITCC.2000.844196","url":null,"abstract":"Digital watermarking schemes have been discussed to solve the problem associated with copyright enforcement. As a digital watermarking, we proposed a method using inter-block correlation of DCT coefficients. It has the features that the embedded watermark can be extracted without the original image nor the parameters used in embedding process and that the amount of modification, the strength of embedded watermark, depends on the local feature of an image. This feature makes it difficult for pirate to predict the position in which the watermark signal is embedded. We propose a method which can embed/extract watermark with high speed by utilizing this watermarking method for JPEG file format.","PeriodicalId":146581,"journal":{"name":"Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132174568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Towards an effective and integrated design for information systems 迈向有效和整合的资讯系统设计
Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540) Pub Date : 2000-03-27 DOI: 10.1109/ITCC.2000.844258
B. Kouninef, M. Abdi, M. Rahmouni
{"title":"Towards an effective and integrated design for information systems","authors":"B. Kouninef, M. Abdi, M. Rahmouni","doi":"10.1109/ITCC.2000.844258","DOIUrl":"https://doi.org/10.1109/ITCC.2000.844258","url":null,"abstract":"The development of information systems (IS) is of great importance for researchers and industrial users. Different methods for IS design have been proposed. Some put the emphasis on statical aspects, and others on dynamical aspects. A third category of methods has recently appeared, which try to take into account both aspects, and therefore provide an unified view of data and treatments. There also exist approaches that put the stress on rigour in the specification and validation process. This paper presents a CASE tool which gives conceptual help for IS design. On one hand, it handles the statical and dynamical aspects while providing the user with products that are readable and easy to understood and, on the other hand, it validates the specification obtained in a rigourous way. It is an attempt to satisfy both the designer and the user.","PeriodicalId":146581,"journal":{"name":"Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128038412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Intelligent heterogeneous multimedia and intelligent active visual DB and KB 智能异构多媒体和智能主动可视化DB和KB
Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540) Pub Date : 2000-03-27 DOI: 10.1109/ITCC.2000.844272
C. Nourani
{"title":"Intelligent heterogeneous multimedia and intelligent active visual DB and KB","authors":"C. Nourani","doi":"10.1109/ITCC.2000.844272","DOIUrl":"https://doi.org/10.1109/ITCC.2000.844272","url":null,"abstract":"Intelligent multimedia provides a basis for designing active databases with agents, multimedia and intelligent objects. Intelligent multimedia techniques and paradigms are defined. Multimedia paradigms can be applied to customise with many facets for many application areas. The computing techniques, a language, the Morph Gentezen (1943) deductive system and its models are applied towards an active multimedia database customization interface design. The application area is based on AI planning and reasoning defining specific dynamics based on descriptions and compatibility relations. Intelligent visual computing paradigms are applied to define the multiagent multimedia computing and active databases and prespecified views.","PeriodicalId":146581,"journal":{"name":"Proceedings International Conference on Information Technology: Coding and Computing (Cat. No.PR00540)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133190930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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