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WEBI
2005
Springer
14 years 3 months ago
A User-Centered Approach for Evaluating Query Expansion Methods
Search engines are powerful tools to find information on the Web. However, they commonly return a lot of irrelevant documents when the users’ queries are not specific enough. To...
Jean-Yves Delort
EDBT
2008
ACM
118views Database» more  EDBT 2008»
14 years 10 months ago
Robustness in automatic physical database design
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
Kareem El Gebaly, Ashraf Aboulnaga
ECWEB
2010
Springer
219views ECommerce» more  ECWEB 2010»
13 years 11 months ago
Semantic Tag Cloud Generation via DBpedia
Abstract. Many current recommender systems exploit textual annotations (tags) provided by users to retrieve and suggest online contents. The text-based recommendation provided by t...
Roberto Mirizzi, Azzurra Ragone, Tommaso Di Noia, ...
JUCS
2010
97views more  JUCS 2010»
13 years 8 months ago
Usage-based Object Similarity
: Recommender systems are widely used online to support users in finding relevant information. They can be based on different techniques such as content-based and collaborative ...
Katja Niemann, Maren Scheffel, Martin Friedrich, U...
SSDBM
2007
IEEE
111views Database» more  SSDBM 2007»
14 years 4 months ago
Duplicate Elimination in Space-partitioning Tree Indexes
Space-partitioning trees, like the disk-based trie, quadtree, kd-tree and their variants, are a family of access methods that index multi-dimensional objects. In the case of index...
Mohamed Y. Eltabakh, Mourad Ouzzani, Walid G. Aref