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HIS
2008
13 years 10 months ago
Implicit User Modelling Using Hybrid Meta-Heuristics
The requirements imposed on information retrieval systems are increasing steadily. The vast number of documents in today's large databases and especially on World Wide Web ca...
Pavel Krömer, Václav Snásel, Ja...
WAIM
2005
Springer
14 years 2 months ago
An Approach to RDF(S) Query, Manipulation and Inference on Databases
In order to lay a solid foundation for the emerging semantic web, effective and efficient management of large RDF(S) data is in high demand. In this paper we propose an approach t...
Jing Lu, Yong Yu, Kewei Tu, Chenxi Lin, Lei Zhang
SEMWEB
2004
Springer
14 years 2 months ago
Top-k Query Evaluation for Schema-Based Peer-to-Peer Networks
Abstract. Increasing the number of peers in a peer-to-peer network usually increases the number of answers to a given query as well. While having more answers is nice in principle,...
Wolfgang Nejdl, Wolf Siberski, Uwe Thaden, Wolf-Ti...
CSR
2007
Springer
14 years 3 months ago
Maximal Intersection Queries in Randomized Graph Models
Consider a family of sets and a single set, called query set. How can one quickly find a member of the family which has a maximal intersection with the query set? Strict time cons...
Benjamin Hoffmann, Yury Lifshits, Dirk Nowotka
ACL
2009
13 years 6 months ago
Learning Semantic Categories from Clickthrough Logs
As the web grows larger, knowledge acquisition from the web has gained increasing attention. In this paper, we propose using web search clickthrough logs to learn semantic categor...
Mamoru Komachi, Shimpei Makimoto, Kei Uchiumi, Man...