342 search results - page 42 / 69 » Conjunctive Queries over Trees |
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
With the advance of the Semantic Web, varying RDF data were increasingly generated, published, queried, and reused via the Web. For example, the DBpedia, a community effort to extr...
KDD
2012
ACM
11 years 10 months ago
2012
ACM
The problem of efficiently finding the best match for a query in a given set with respect to the Euclidean distance or the cosine similarity has been extensively studied. However...
GIS
2010
ACM
13 years 6 months ago
2010
ACM
Local search is a specialization of the web search that allows users to submit geographically constrained queries. However, one of the challenges for local search engines is to un...
IJCAI
2007
13 years 9 months ago
2007
Mechanism design is the study of preference aggregation protocols that work well in the face of self-interested agents. We present the first general-purpose techniques for automa...
SIGMOD
2010
ACM
14 years 19 days ago
2010
ACM
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...