2853 search results - page 22 / 571 » On the Efficiency of Provenance Queries |
PODS
2006
ACM
14 years 8 months ago
2006
ACM
This is a survey of algorithms, complexity results, and general solution techniques for efficiently processing queries on tree-structured data. I focus on query languages that com...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
Given a set of objects P and a query point q, a k nearest neighbor (k-NN) query retrieves the k objects in P that lie closest to q. Even though the problem is well-studied for sta...
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
SIGMOD
1998
ACM
14 years 21 days ago
1998
ACM
PVLDB
2008
13 years 8 months ago
2008
Unlike traditional database queries, keyword queries do not adhere to predefined syntax and are often dirty with irrelevant words from natural languages. This makes accurate and e...