3652 search results - page 230 / 731 » A study of query length |
VLDB
1992
ACM
14 years 10 days ago
1992
ACM
Multiversion two-phase locking (MV2PL) has been incorporated in some commercial transaction processing systems to support the serializable execution of queries. A drawback to this...
ESORICS
2006
Springer
13 years 12 months ago
2006
Springer
Data confidentiality is a major concern in database systems. Encryption is a useful tool for protecting the confidentiality of sensitive data. However, when data is encrypted, perf...
APPROX
2008
Springer
13 years 10 months ago
2008
Springer
We consider testing directed graphs for being Eulerian in the orientation model introduced in [15]. Despite the local nature of the property of being Eulerian, it turns out to be ...
COLT
2008
Springer
13 years 10 months ago
2008
Springer
We study the properties of the agnostic learning framework of Haussler [Hau92] and Kearns, Schapire and Sellie [KSS94]. In particular, we address the question: is there any situat...
ACL
2008
13 years 9 months ago
2008
Query expansion is an effective technique to improve the performance of information retrieval systems. Although hand-crafted lexical resources, such as WordNet, could provide more...