WWW Alt. '04Pub Date : 2004-05-19DOI: 10.1145/1013367.1013430
Yuzhong Qu, Zhiqiang Gao
{"title":"Interpreting distributed ontologies","authors":"Yuzhong Qu, Zhiqiang Gao","doi":"10.1145/1013367.1013430","DOIUrl":"https://doi.org/10.1145/1013367.1013430","url":null,"abstract":"Semantic Web is challenged by the URI meaning issues arising from putting ontologies in open and distributed environments. As a try to clarify some of the meaning issues, this paper proposes a new approach to interpreting distributed ontologies, it's built on the top of local models semantics, and extends it to deal with the URI sharing by harmonizing the local models via agreement on vocabulary provenance. The commitment relationship is presented to allow the URI sharing between ontologies with richer semantics.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128723308","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}
WWW Alt. '04Pub Date : 2004-05-19DOI: 10.1145/1013367.1013504
E. Hyvönen, M. Junnila, Suvi Kettula, E. Mäkelä, Samppa Saarela, Mirva Salminen, Ahti Syreeni, Arttu Valo, Kim Viljanen
{"title":"Publishing museum collections on the semantic web: the museumfinland portal","authors":"E. Hyvönen, M. Junnila, Suvi Kettula, E. Mäkelä, Samppa Saarela, Mirva Salminen, Ahti Syreeni, Arttu Valo, Kim Viljanen","doi":"10.1145/1013367.1013504","DOIUrl":"https://doi.org/10.1145/1013367.1013504","url":null,"abstract":"Museum collections contain large amounts of data and semantically rich, mutually interrelated metadatain heterogeneous databases. The publication of museum collections on the web is therefore a very promising application domain for semantic web techniques. We present a semantic web portal called MuseumFinland - Finnish Museums on the Semantic Web1\" [3]that contains some 4,000 cultural artifacts from the collections of three museums using three different database schemas and database systems. The system is based on seven RDF(S) ontologies consisting of some 10,000 classes and individuals.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"557 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113997390","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}
WWW Alt. '04Pub Date : 2004-05-19DOI: 10.1145/1013367.1013506
Giuseppe Attardi, Andrea Esuli, M. Simi
{"title":"Best bets: thousands of queries in search of a client","authors":"Giuseppe Attardi, Andrea Esuli, M. Simi","doi":"10.1145/1013367.1013506","DOIUrl":"https://doi.org/10.1145/1013367.1013506","url":null,"abstract":"A number of applications require selecting targets for specific contents on the basis of criteria defined by the contents providers rather than selecting documents in response to user queries, as in ordinary information retrieval. We present a class of retrieval systems, called Best Bets, that generalize Information Filtering and encompass a variety of applications including editorial suggestions, promotional campaigns and targeted advertising, such as Google AdWords™. We developed techniques for implementing Best Bets systems addressing performance issues for large scale deployment as efficient query search, incremental updates and dynamic ranking.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115788916","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}
WWW Alt. '04Pub Date : 2004-05-19DOI: 10.1145/1013367.1013544
Yugyung Lee, C. Patel, Soon Ae Chun, J. Geller
{"title":"Compositional knowledge management for medical services on semantic web","authors":"Yugyung Lee, C. Patel, Soon Ae Chun, J. Geller","doi":"10.1145/1013367.1013544","DOIUrl":"https://doi.org/10.1145/1013367.1013544","url":null,"abstract":"The vision of the Semantic Web is to reduce manual discovery and usage of Web resources (documents and services) and to allow software agents to automatically identify these Web resources, integrate them and execute them for achieving the intended goals of the user. Such a composed Web service may be represented as a workflow, called service flow. Current Web service standards are not sufficient for automatic composition. This paper presents different types of compositional knowledge required for Web service discovery and composition. As a proof of concept, we have implemented our framework in a cardiovascular domain which requires advanced service discovery and composition across heterogeneous platforms of multiple organizations.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121892339","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}
WWW Alt. '04Pub Date : 2004-05-19DOI: 10.1145/1013367.1013543
David Gibson
{"title":"Surfing the web by site","authors":"David Gibson","doi":"10.1145/1013367.1013543","DOIUrl":"https://doi.org/10.1145/1013367.1013543","url":null,"abstract":"We provide a system for surfing the web at a high level of abstraction, which is an analogy of the web browser, but which displays entire sites at a time. It allows a principled investigation of what is present, based on an overview of all available information. We show a site's relation to other sites, the broad nature of the information contained and how it is structured, and how it has changed over time. Our current system maintains a continuously updated archive of 40 million sites representing 1.9 billion web pages, and enables real-time navigation through the sea of web sites.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115500225","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}
WWW Alt. '04Pub Date : 2004-05-19DOI: 10.1145/1013367.1013498
S. Hoi, Michael R. Lyu
{"title":"Web image learning for searching semantic concepts in image databases","authors":"S. Hoi, Michael R. Lyu","doi":"10.1145/1013367.1013498","DOIUrl":"https://doi.org/10.1145/1013367.1013498","url":null,"abstract":"Without textual descriptions or label information of images, searching semantic concepts in image databases is still a very challenging task. While automatic annotation techniques are yet along way off, we can seek other alternative techniques to solve this difficult issue. In this paper, we propose to learn Web images for searching the semantic concepts in large image databases. To formulate effective algorithms, we suggest to engage the support vector machines for attacking the problem. We evaluate our algorithm in a large image database and demonstrate the preliminary yet promising results.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"248 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122659596","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}
WWW Alt. '04Pub Date : 2004-05-19DOI: 10.1145/1013367.1013489
Adina Crainiceanu, Prakash Linga, Ashwin Machanavajjhala, J. Gehrke, J. Shanmugasundaram
{"title":"A storage and indexing framework for p2p systems","authors":"Adina Crainiceanu, Prakash Linga, Ashwin Machanavajjhala, J. Gehrke, J. Shanmugasundaram","doi":"10.1145/1013367.1013489","DOIUrl":"https://doi.org/10.1145/1013367.1013489","url":null,"abstract":"We present a modularized storage and indexing framework that cleanly separates the functional components of a P2P system, enabling us to tailor the P2P infrastructure to the specific needs of various Internet applications eat, without having to devise completely new storage management and index structures for each application.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122822185","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}
WWW Alt. '04Pub Date : 2004-05-19DOI: 10.1145/1013367.1013436
G. Cordasco, V. Scarano, Cristiano Vitolo
{"title":"Architecture of a p2p distributed adaptive directory","authors":"G. Cordasco, V. Scarano, Cristiano Vitolo","doi":"10.1145/1013367.1013436","DOIUrl":"https://doi.org/10.1145/1013367.1013436","url":null,"abstract":"Bookmarks are, nowadays, an important aid to navigation since they represent an easy way to reduce the cognitive load of managing and typing URLs. All the browsers have always provided, since the very beginning of the WWW, friendly ways of managing bookmarks. In this paper we deal with the problem of enriching this supportive framework for bookmarks (as provided by the browsers) by adding collaboration and (group) adaptation with a P2P system. In this paper, we describe a system that offers a distributed, cooperative and adaptive environment for bookmark sharing. DAD (Distributed Adaptive Directory) offers an adaptive environment since it provides suggestions about the navigation based on (a) the bookmarks, (b) the feedback implicitly provided by users and (c) the structure of the Web. DAD is fully scalable because of its peerto-peer architecture and provides, also, an infrastructure to build easily P2P overlay networks. Our system is structured on three separated layers (see Fig. 1): on the bottom we have an overlay network named CHILD (CHord with Identification and Lonely Discovery). Because of scalability and fault tolerance, our architecture is a pure Peer to Peer system: we realized a Distributed Hash Table (DHT) to store information about bookmarks. The DHT is based on the well-known Chord [5] protocol, which we extended with a boot mechanism through caching (i.e., no server is required), a mechanism that allows registration and authentication on the system and a tool that allows to save and reload the DHT data after the system shuts itself down or is started again. We would like to emphasize that the infrastructure provided by CHILD can be used as a base to develop a DHT for any pure P2P system. In fact, CHILD is implemented by a Java package that allows to build and manage any generic DHT, acting as middleware platform for P2P systems. The programmer can, therefore, implement the business logic of his application on top of our layer. CHILD will be soon freely available under the GNU public license at the project home page (http://isis.dia.unisa.it/projects/DAD).","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125029705","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}
WWW Alt. '04Pub Date : 2004-05-19DOI: 10.1145/1013367.1013474
E. Damiani, S. Vimercati, S. Paraboschi, P. Samarati, Andrea Tironi, L. Zaniboni
{"title":"Spam attacks: p2p to the rescue","authors":"E. Damiani, S. Vimercati, S. Paraboschi, P. Samarati, Andrea Tironi, L. Zaniboni","doi":"10.1145/1013367.1013474","DOIUrl":"https://doi.org/10.1145/1013367.1013474","url":null,"abstract":"We propose a decentralized privacy-preserving approach to spam filtering. Our solution exploits robust digests to identify messages that are a slight variation of one another and a peer-to-peer architecture between mail servers to collaboratively share knowledge about spam.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123108473","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}
WWW Alt. '04Pub Date : 2004-05-19DOI: 10.1145/1013367.1013378
M. Keidl, A. Kemper
{"title":"Towards context-aware adaptable web services","authors":"M. Keidl, A. Kemper","doi":"10.1145/1013367.1013378","DOIUrl":"https://doi.org/10.1145/1013367.1013378","url":null,"abstract":"In this paper, we present a context framework that facilitates the development and deployment of context-aware adaptable Web services. Web services are provided with context information about clients that may be utilized to provide a personalized behavior. Context is extensible with new types of information at any time without any changes to the underlying infrastructure. Context processing is done by Web services, context plugins, or context services. Context plugins and context services pre- and post-process Web service messages based on the available contextinformation. Both are essential for automatic context processing and automatic adaption of Web services to new context types without the necessity to adjust the Web services themselves. We implemented the context framework within the ServiceGlobe system, our open and distributed Web service platform.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129406966","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}
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