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STAH-TREE: Quality Tests of Hybrid Index for Spatio-Temporal Aggregation STAH-TREE:用于时空聚合的混合索引质量测试
New Trends in Multimedia and Network Information Systems Pub Date : 2008-06-30 DOI: 10.3233/978-1-58603-904-2-115
M. Gorawski, Michal Gorawski, Michal Faruga
{"title":"STAH-TREE: Quality Tests of Hybrid Index for Spatio-Temporal Aggregation","authors":"M. Gorawski, Michal Gorawski, Michal Faruga","doi":"10.3233/978-1-58603-904-2-115","DOIUrl":"https://doi.org/10.3233/978-1-58603-904-2-115","url":null,"abstract":"This paper presents a new method for storage and access to spatiotemporal data. That is spatial objects that have some non-spatial attributes updated asynchronously. An example of such objects may be water meters. Proposed method is a hybrid of well documented dedicated solutions for spatial, temporal, spatial aggregate and temporal aggregate data processing. Thanks to that it was possible to achieve high performance for detailed and aggregate query processing without usage of approximation. Index name (i.e. STAH-tree) is English abbreviation and can be extended as Spatio-Temporal Aggregation Hybrid Tree. Part of this work aims in creation of cost model checked against experimental results of system performance. Some other experiments that verify system behavior were also performed.","PeriodicalId":190102,"journal":{"name":"New Trends in Multimedia and Network Information Systems","volume":"218 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132019604","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: 1
Translation Accuracy Influence on the Retrieval Results 翻译准确性对检索结果的影响
New Trends in Multimedia and Network Information Systems Pub Date : 2008-06-30 DOI: 10.3233/978-1-58603-904-2-171
Jolanta Mizera-Pietraszko, Aleksander Zgrzywa
{"title":"Translation Accuracy Influence on the Retrieval Results","authors":"Jolanta Mizera-Pietraszko, Aleksander Zgrzywa","doi":"10.3233/978-1-58603-904-2-171","DOIUrl":"https://doi.org/10.3233/978-1-58603-904-2-171","url":null,"abstract":"This report presents a novel methodology in evaluating performance of the popular on-line multilingual search engine AltaVista. We study some crucial aspects of natural language that usually disrupt translation process and the extend to which it influences retrieval results. Having prepared the test set, we analyze phenomena of an English and French language pair in relation to the strategy of browsing the Web for documents with the features specified in the query. Using Natural Language Processing techniques, we test a Machine Translation system performance in order to improve the translation quality, which in turn has an impact on the results of information retrieval in a language other than the query language.","PeriodicalId":190102,"journal":{"name":"New Trends in Multimedia and Network Information Systems","volume":"7-8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121903397","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
Application of Swarm Intelligence in E-Learning Systems 群智能在网络学习系统中的应用
New Trends in Multimedia and Network Information Systems Pub Date : 2008-06-30 DOI: 10.3233/978-1-58603-904-2-193
Elzbieta Kukla
{"title":"Application of Swarm Intelligence in E-Learning Systems","authors":"Elzbieta Kukla","doi":"10.3233/978-1-58603-904-2-193","DOIUrl":"https://doi.org/10.3233/978-1-58603-904-2-193","url":null,"abstract":"E-learning systems are intended to offer their users didactic material tailored to their actual needs, preferences and abilities. This idea is consistent with the general principles of constructivism. Additionally it offers a student great flexibility in organizing his own curriculum and his learning scenario in the scope of particular course. However, it has also some side effects causing that students have many problems with making curriculum adapted to their needs or choosing subsequent course elements while complying the course. Many of e-learning courses designers, teachers and students emphasize the necessity of guidance in effective traversing a “knowledge network”. The chapter presented below explores some of the recent solutions in this subject. They were carefully selected to represent the widest possible range of research concerning the application of swarm intelligence to recommendation in e-learning systems.","PeriodicalId":190102,"journal":{"name":"New Trends in Multimedia and Network Information Systems","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131897656","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: 1
Image Identification Based on the Pupil Size Analysis During Human-Computer Interaction 基于瞳孔大小分析的人机交互图像识别
New Trends in Multimedia and Network Information Systems Pub Date : 2008-06-30 DOI: 10.3233/978-1-58603-904-2-16
Janusz Sobecki
{"title":"Image Identification Based on the Pupil Size Analysis During Human-Computer Interaction","authors":"Janusz Sobecki","doi":"10.3233/978-1-58603-904-2-16","DOIUrl":"https://doi.org/10.3233/978-1-58603-904-2-16","url":null,"abstract":"A method for image identification based on the pupil size analysis during human-computer interaction will be presented. The data was gathered during the experiment on 3D interactive representation of fairly large picture collections which facilitates browsing through unstructured sets of icons or pictures. The data was gathered using ASL gaze-tracking device. A group of 18 users took part in the experiment. The obtained gaze tracking results have shown that recorded pupil size patterns may indicate the fact of the presented image identification.","PeriodicalId":190102,"journal":{"name":"New Trends in Multimedia and Network Information Systems","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130824324","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
Mining Local Buffer Data 挖掘本地缓冲区数据
New Trends in Multimedia and Network Information Systems Pub Date : 2008-06-30 DOI: 10.3233/978-1-58603-904-2-81
A. Sieminski
{"title":"Mining Local Buffer Data","authors":"A. Sieminski","doi":"10.3233/978-1-58603-904-2-81","DOIUrl":"https://doi.org/10.3233/978-1-58603-904-2-81","url":null,"abstract":"Web mining employs the techniques of data mining to extract information from the Web for a variety of purposes. The usual sources of data are the log files of WWW or proxy servers. The paper examines the possibility of using the local browser buffer for that purpose. The data that could be extracted from both types of logs are compared. It turns out, that despite its limitations the browser buffer is a rich source of unique data about user navigational habits and the properties of the fragment of the WWW that he/she visits. The cache contains the both the full body of a WWW object as well as the header control data sent by the server. Additionally the cache includes some basic information about the usage pattern of each object. Therefore it is possible to study the susceptibility to buffering the objects which is measured by the CF (cacheability factor) and to study the word diversity of Internet texts seen by the user. The CF factor provides an objective measure of the web site caching potential and thus makes it possible to infer about latency of the web site. The word diversity study tests the compliance of the Internet texts with the well known Zipf and Heaps Laws' that are valid for all natural languages. That part study could be used for the optimization indexing engines or the recommendation of pages potentially interesting for the user.","PeriodicalId":190102,"journal":{"name":"New Trends in Multimedia and Network Information Systems","volume":"179 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122140177","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
Problems of Data Quality in an Integrated Cadastral Information System 集成地籍信息系统中的数据质量问题
New Trends in Multimedia and Network Information Systems Pub Date : 2008-06-30 DOI: 10.3233/978-1-58603-904-2-225
D. Ciesla, Zbigniew Telec, B. Trawinski, Robert Widz
{"title":"Problems of Data Quality in an Integrated Cadastral Information System","authors":"D. Ciesla, Zbigniew Telec, B. Trawinski, Robert Widz","doi":"10.3233/978-1-58603-904-2-225","DOIUrl":"https://doi.org/10.3233/978-1-58603-904-2-225","url":null,"abstract":"Cadastral systems belong to the most important public systems, since they provide necessary information for economic planning, spatial planning, and tax calculation, real estate denotation in perpetual books, public statistics, and real estate management as well as farm registration. They also provide source data to systems such as IACS and its main component LPIS. Quality of cadastral data has a major impact on the functioning many other systems. Legacy cadastral systems were developed using different data structures and various computer technologies. The quality of those legacy systems was sufficient for accomplishing everyday tasks but it was too low in the case of transferring data into other information systems. A practical approach to assure data quality in the process of transferring descriptive and geometric data from legacy systems into the Kataster OnLine-a modern integrated cadastral information system is presented in the paper.","PeriodicalId":190102,"journal":{"name":"New Trends in Multimedia and Network Information Systems","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125705453","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
Adaptive System for the Integration of Recommendation Methods with Social Filtering Enhancement 推荐方法与社会过滤增强集成的自适应系统
New Trends in Multimedia and Network Information Systems Pub Date : 2008-06-30 DOI: 10.3233/978-1-58603-904-2-291
Przemyslaw Kazienko, P. Kolodziejski
{"title":"Adaptive System for the Integration of Recommendation Methods with Social Filtering Enhancement","authors":"Przemyslaw Kazienko, P. Kolodziejski","doi":"10.3233/978-1-58603-904-2-291","DOIUrl":"https://doi.org/10.3233/978-1-58603-904-2-291","url":null,"abstract":"We try to find the new application for recommender systems: online social networks. The innovative system for personalized and adaptive integration of recommendation methods is presented. The unique idea of the social filtering for network members is introduced and incorporated into recommender system.","PeriodicalId":190102,"journal":{"name":"New Trends in Multimedia and Network Information Systems","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128075154","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
Evaluation of Internet Connections 互联网连接评估
New Trends in Multimedia and Network Information Systems Pub Date : 2008-06-30 DOI: 10.3233/978-1-58603-904-2-297
A. Sieminski
{"title":"Evaluation of Internet Connections","authors":"A. Sieminski","doi":"10.3233/978-1-58603-904-2-297","DOIUrl":"https://doi.org/10.3233/978-1-58603-904-2-297","url":null,"abstract":"The user perceived latency of displaying Internet pages is one of main factors in his/her assessment of the network. There are many factors that have an influence on the latency. The paper studies one of them-the Internet connection provided by an ISP. Up to now, there is no comprehensive theoretical model of the relationship. Therefore, an experiment was necessary. During the experiment the latency of a variety of Web pages was measured. The results indicate that a popular assumption that tightly binds network throughput with browser latency is not well justified. The analysis of low level network connection properties shows a significant level of correlation between the duration of pages download and the trace route length between the browser and the source server. The trace routes to a given host recorded for a single ISP have a considerable, stable number of common hosts. Therefore, the analysis of trace routes can be used in the process of selection of an ISP.","PeriodicalId":190102,"journal":{"name":"New Trends in Multimedia and Network Information Systems","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133536453","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
Code and Data Propagation on a PC's Multi-Agent System PC机多智能体系统中的代码与数据传播
New Trends in Multimedia and Network Information Systems Pub Date : 2008-06-30 DOI: 10.3233/978-1-58603-904-2-259
Dariusz Król, A. Lupa
{"title":"Code and Data Propagation on a PC's Multi-Agent System","authors":"Dariusz Król, A. Lupa","doi":"10.3233/978-1-58603-904-2-259","DOIUrl":"https://doi.org/10.3233/978-1-58603-904-2-259","url":null,"abstract":"We present the concept of code and data propagation on a PC's multi-agent system. First, the idea of the prime numbers problem in distributed environment is defined and explained. Afterwards, the code and data propagation in a multi-agent system is described, which is in many cases based on the object migration. In addition, the experiments are conducted in a heterogeneous environment. The main aim is to find optimal configuration after minimal number of migrations for that platform.","PeriodicalId":190102,"journal":{"name":"New Trends in Multimedia and Network Information Systems","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114071245","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: 2
Web-Based Recommender Systems and User Needs - the Comprehensive View 基于web的推荐系统和用户需求-综合视图
New Trends in Multimedia and Network Information Systems Pub Date : 2008-06-30 DOI: 10.3233/978-1-58603-904-2-243
Przemyslaw Kazienko
{"title":"Web-Based Recommender Systems and User Needs - the Comprehensive View","authors":"Przemyslaw Kazienko","doi":"10.3233/978-1-58603-904-2-243","DOIUrl":"https://doi.org/10.3233/978-1-58603-904-2-243","url":null,"abstract":"Recommender systems became an important element of many web-based systems. The general process about how recommender systems fulfil various user needs based on the analysis of recent literature in presented in the survey paper. Recommender systems are compared with other method like Information Retrieval and browsing. The paper also includes the comprehensive view over the typical components and structure of recommender systems. The state-of-the-art of recommendation methods is described as well.","PeriodicalId":190102,"journal":{"name":"New Trends in Multimedia and Network Information Systems","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114389199","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: 7
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