3652 search results - page 196 / 731 » A study of query length |
CSL
2003
Springer
14 years 1 months ago
2003
Springer
Abstract. We study the succinctness of monadic second-order logic and a variety of monadic fixed point logics on trees. All these languages are known to have the same expressive p...
AAAI
2008
13 years 10 months ago
2008
Answering conjunctive queries (CQs) has been recognized as a key task for the usage of Description Logics (DLs) in a number of applications, and has thus been studied by many auth...
CCR
2008
13 years 8 months ago
2008
In the last few years, several studies have analyzed the performance of flooding and random walks as querying mechanisms for unstructured wireless sensor networks. However, most o...
IS
2007
13 years 8 months ago
2007
Despite the importance of ranked queries in numerous applications involving multi-criteria decision making, they are not efficiently supported by traditional database systems. In ...
DASFAA
2008
IEEE
14 years 2 months ago
2008
IEEE
State-of-the-art Peer-to-Peer Information Retrieval (P2P IR) systems suffer from their lack of response time guarantee especially with scale. To address this issue, a number of tec...