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Towards an adaptive cultural e-learning system 迈向适应性文化电子学习系统
Third Latin American Web Congress (LA-WEB'2005) Pub Date : 2005-10-31 DOI: 10.1109/LAWEB.2005.44
J. Guzmán, Regina Motz
{"title":"Towards an adaptive cultural e-learning system","authors":"J. Guzmán, Regina Motz","doi":"10.1109/LAWEB.2005.44","DOIUrl":"https://doi.org/10.1109/LAWEB.2005.44","url":null,"abstract":"This work proposes the inclusion of multicultural aspects management into an e-learning system in order to guide the automatic adaptability of presentation and content of electronic-materials. To this end, we define an ontology of cultural aspects in OWL that provides a sound specification of the diverse cultural aspects.","PeriodicalId":286939,"journal":{"name":"Third Latin American Web Congress (LA-WEB'2005)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128970793","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
Increasing user's privacy control through flexible Web bug detection 通过灵活的Web bug检测增强用户隐私控制
Third Latin American Web Congress (LA-WEB'2005) Pub Date : 2005-10-31 DOI: 10.1109/LAWEB.2005.19
Fabiano A. Fonseca, R. Pinto, Wagner Meira Jr
{"title":"Increasing user's privacy control through flexible Web bug detection","authors":"Fabiano A. Fonseca, R. Pinto, Wagner Meira Jr","doi":"10.1109/LAWEB.2005.19","DOIUrl":"https://doi.org/10.1109/LAWEB.2005.19","url":null,"abstract":"People usually provide personal information when visiting Web sites, even though they are not aware of this fact. In some cases, the collected data is misused, resulting on user privacy violation. The existing tools which aim at guaranteeing user privacy usually restrict access to personalized services. In this work, we propose the Web bug detector. Upon detecting and informing users about browsing tracking mechanisms which invisibly collect their personal information when visiting sites, it represents an alternative that provides a better control over privacy while allowing personalization. Through experimental results, we demonstrate the applicability of our strategy by applying the detector to a real workload. We found that about 5.37% of user's requests were being tracked by third-party sites.","PeriodicalId":286939,"journal":{"name":"Third Latin American Web Congress (LA-WEB'2005)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116117993","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: 8
A model driven method for the integration of Web applications 用于集成Web应用程序的模型驱动方法
Third Latin American Web Congress (LA-WEB'2005) Pub Date : 2005-10-31 DOI: 10.1109/LAWEB.2005.4
Victoria Torres, Javier Muñoz, V. Pelechano
{"title":"A model driven method for the integration of Web applications","authors":"Victoria Torres, Javier Muñoz, V. Pelechano","doi":"10.1109/LAWEB.2005.4","DOIUrl":"https://doi.org/10.1109/LAWEB.2005.4","url":null,"abstract":"Currently, the software industry is demanding the construction of Web applications that are built integrating functionality from third party systems. Web engineering methods are not properly dealing with this open strategy. Instead, they only provide methodological support for the implementation of isolated Web applications. The solutions that are based on a specific technology do not solve the integration problem at all. To provide an adequate solution we have to tackle with the integration issue at the problem space, avoiding ad-hoc solutions. We should provide a set of mechanisms that allow to model integration at a high level of abstraction, independently of the underlying technology in which these services are provided. Following the MDA principles, we present a model driven approach that makes a clear separation of concerns in the Web development process. Our method includes a step where the integration issue is introduced as a new concern. In this step we introduce mechanisms that allow us to specify and include external services (by means of a services model). Moreover, these external services can take part in the specification of a business process through the business process model.","PeriodicalId":286939,"journal":{"name":"Third Latin American Web Congress (LA-WEB'2005)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131324989","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
Characterizing objectionable image content (pornography and nude images) of specific Web segments: Chile as a case study 描述特定网络片段的令人反感的图像内容(色情和裸体图像):以智利为例研究
Third Latin American Web Congress (LA-WEB'2005) Pub Date : 2005-10-31 DOI: 10.1109/LAWEB.2005.11
Javier Ruiz-del-Solar, V. Castañeda, Rodrigo Verschae, Ricardo Baeza-Yates, F. Ortiz
{"title":"Characterizing objectionable image content (pornography and nude images) of specific Web segments: Chile as a case study","authors":"Javier Ruiz-del-Solar, V. Castañeda, Rodrigo Verschae, Ricardo Baeza-Yates, F. Ortiz","doi":"10.1109/LAWEB.2005.11","DOIUrl":"https://doi.org/10.1109/LAWEB.2005.11","url":null,"abstract":"In this paper we perform a characterization of the objectionable image content (pornography and nude images) of the Chilean Web (.cl domain). This characterization is based on a novel objectionable image filtering system that detects porno and nude images. In an automated process we examine all .cl Web sites, and download a large number of the available images. Then, we analyze the images' contents and we detect human-skin blobs. Afterwards, special features are derived from these skin blobs (size, orientation, position, solidity, eccentricity, etc.). Finally, a statistical classifier is employed for classifying the images in three classes: normal, porno and nude. In addition to these, we characterize the three classes by their faces content. We present statistics of use to anyone concerned with the objectionable image content of the Web in Chile. We believe that the described methodology can be employed for carrying out similar studies in other segments of the Web, and also for the automatic discovering of new pornographic sites.","PeriodicalId":286939,"journal":{"name":"Third Latin American Web Congress (LA-WEB'2005)","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131799869","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: 17
Web cache replacement policies: properties, limitations and implications Web缓存替换策略:属性、限制和含义
Third Latin American Web Congress (LA-WEB'2005) Pub Date : 2005-10-31 DOI: 10.1109/LAWEB.2005.47
Fabrício Benevenuto, Fernando Duarte, Virgílio A. F. Almeida, J. Almeida
{"title":"Web cache replacement policies: properties, limitations and implications","authors":"Fabrício Benevenuto, Fernando Duarte, Virgílio A. F. Almeida, J. Almeida","doi":"10.1109/LAWEB.2005.47","DOIUrl":"https://doi.org/10.1109/LAWEB.2005.47","url":null,"abstract":"With the dramatic growth of the WWW, several caching policies were proposed in order to improve Web cache system performance. However, the study of caching policies has experimented a strong diminishing in the last few years. In this work we investigate whether new caching policies could improve a cache system performance. Moreover, by analyzing traces of real Web proxies located in different places of the Web, we evaluate the main factors that cause periods of poor performance in caching systems. Our results can be used to guide the design of new cache replacement policies for the WWW.","PeriodicalId":286939,"journal":{"name":"Third Latin American Web Congress (LA-WEB'2005)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130287968","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: 11
A parallel search engine with BSP 具有BSP的并行搜索引擎
Third Latin American Web Congress (LA-WEB'2005) Pub Date : 2005-10-31 DOI: 10.1109/LAWEB.2005.7
V. Gil-Costa, Mauricio Marín
{"title":"A parallel search engine with BSP","authors":"V. Gil-Costa, Mauricio Marín","doi":"10.1109/LAWEB.2005.7","DOIUrl":"https://doi.org/10.1109/LAWEB.2005.7","url":null,"abstract":"With the technology advance and the growth of Internet, the information that can be found in this net, as well as the number of users that access to look for specific data is bigger. Therefore it is desirable to have a search system that allows to recover information at a reasonable time and in an efficient way. This article describes two strategies based on buckets to improve the efficiency of a classic data structure, the inverted lists, used to index the queries to textual databases. The design of the server that processes the queries, is effected on top of the bulk synchronous model of parallel computing. The main interest is how query performance is performed by the index organization on a cluster of PCs.","PeriodicalId":286939,"journal":{"name":"Third Latin American Web Congress (LA-WEB'2005)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124343768","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
Modeling user search behavior 用户搜索行为建模
Third Latin American Web Congress (LA-WEB'2005) Pub Date : 2005-10-31 DOI: 10.1109/LAWEB.2005.23
Ricardo Baeza-Yates, Carlos A. Hurtado, Marcelo Mendoza, G. Dupret
{"title":"Modeling user search behavior","authors":"Ricardo Baeza-Yates, Carlos A. Hurtado, Marcelo Mendoza, G. Dupret","doi":"10.1109/LAWEB.2005.23","DOIUrl":"https://doi.org/10.1109/LAWEB.2005.23","url":null,"abstract":"Web usage mining is a main research area in Web mining focused on learning about Web users and their interactions with Web sites. Main challenges in Web usage mining are the application of data mining techniques to Web data in an efficient way and the discovery of non trivial user behaviour patterns. In this paper we focus the attention on search engines analyzing query log data and showing several models about how users search and how users use search engine results.","PeriodicalId":286939,"journal":{"name":"Third Latin American Web Congress (LA-WEB'2005)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116985300","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: 103
Strategies for filling out LOM metadata fields in a Web-based CSCL tool 在基于web的CSCL工具中填写LOM元数据字段的策略
Third Latin American Web Congress (LA-WEB'2005) Pub Date : 2005-10-31 DOI: 10.1109/LAWEB.2005.35
Luciano T. E. Pansanato, Renata Pontin de Mattos Fortes
{"title":"Strategies for filling out LOM metadata fields in a Web-based CSCL tool","authors":"Luciano T. E. Pansanato, Renata Pontin de Mattos Fortes","doi":"10.1109/LAWEB.2005.35","DOIUrl":"https://doi.org/10.1109/LAWEB.2005.35","url":null,"abstract":"In this paper, we describe our experience of implementing an application profile based on learning object metadata (LOM) and increased with elements to adjust it to our application domain. The educational resources considered are collaborative Web pages based on wiki. Furthermore, we discuss strategies for automatic and semi-automatic generation of metadata.","PeriodicalId":286939,"journal":{"name":"Third Latin American Web Congress (LA-WEB'2005)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128752779","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
Swell — Annotating and Searching Semantic Web Services 膨胀& # 8212;标注和搜索语义Web服务
Third Latin American Web Congress (LA-WEB'2005) Pub Date : 2005-10-31 DOI: 10.1109/LAWEB.2005.37
João Condack, D. Schwabe
{"title":"Swell — Annotating and Searching Semantic Web Services","authors":"João Condack, D. Schwabe","doi":"10.1109/LAWEB.2005.37","DOIUrl":"https://doi.org/10.1109/LAWEB.2005.37","url":null,"abstract":"In this paper, we describe the Swell environment. It is a software engineering tool for searching semantic web services. In order to accomplish this, we developed a specialized ontology and a query language, named SwellOnt and SwellQL respectively. The environment is available as an extension of Eclipse.","PeriodicalId":286939,"journal":{"name":"Third Latin American Web Congress (LA-WEB'2005)","volume":"246 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115206011","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: 5
Modeling federations of Web applications with WAM 使用WAM对Web应用程序的联合建模
Third Latin American Web Congress (LA-WEB'2005) Pub Date : 2005-10-31 DOI: 10.1109/LAWEB.2005.22
J. Meinecke, M. Gaedke
{"title":"Modeling federations of Web applications with WAM","authors":"J. Meinecke, M. Gaedke","doi":"10.1109/LAWEB.2005.22","DOIUrl":"https://doi.org/10.1109/LAWEB.2005.22","url":null,"abstract":"One aspect of modern Web technology is that it is not only employed to connect users to sites, but to an increasing degree to bring together applications, as e.g. with the help of Web services. Particularly, these applications can reside under the control of different organizations. In this case, the Web is actually used as a means for establishing federations between the organizations behind their technical systems. This enables creating integrated business processes and thus facilitates seamless cooperation between multiple businesses. Naturally, the construction of such solutions raises specific concerns that go beyond traditional approaches, including questions of access control, identity management and evolution in the context of federation. Emerging federation specifications like WS-federation or liberty alliance are now offering standardized protocols as solutions to some of these problems. Along with the technological base, the process of establishing and operating federations also requires dedicated models to plan and describe the systems on an architectural level. Conventional approaches to modeling software in general and Web applications in particular do not specifically focus on federated architectures. For that purpose, we propose the Webcomposition architecture model (WAM), a modeling formalism based on our experience on developing federations of Web applications as well as the concepts found in recent federation specifications.","PeriodicalId":286939,"journal":{"name":"Third Latin American Web Congress (LA-WEB'2005)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128323429","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: 12
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