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IJCAI
2007
15 years 6 months ago
Exploiting Image Contents in Web Search
Web search is a challenging task. Previous research mainly exploits texts on the Web pages or link information between the pages, while multimedia information is largely ignored. ...
Zhi-Hua Zhou, Hong-Bin Dai
SIGMOD
2007
ACM
134views Database» more  SIGMOD 2007»
16 years 4 months ago
Updating a cracked database
A cracked database is a datastore continuously reorganized based on operations being executed. For each query, the data of interest is physically reclustered to speed-up future ac...
Stratos Idreos, Martin L. Kersten, Stefan Manegold
ESWS
2004
Springer
15 years 10 months ago
Publish/Subscribe for RDF-based P2P Networks
Publish/subscribe systems are an alternative to query based systems in cases where the same information is asked for over and over, and where clients want to get updated answers fo...
Paul-Alexandru Chirita, Stratos Idreos, Manolis Ko...
SIGMOD
1999
ACM
125views Database» more  SIGMOD 1999»
15 years 8 months ago
Selectivity Estimation in Spatial Databases
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
Swarup Acharya, Viswanath Poosala, Sridhar Ramaswa...
EDBT
2009
ACM
144views Database» more  EDBT 2009»
15 years 8 months ago
Efficient maintenance techniques for views over active documents
Many Web applications are based on dynamic interactions between Web components exchanging flows of information. Such a situation arises for instance in mashup systems or when moni...
Serge Abiteboul, Pierre Bourhis, Bogdan Marinoiu