3652 search results - page 140 / 731 » A study of query length |
CASC
2009
Springer
13 years 9 months ago
2009
Springer
We consider Presburger arithmetic extended by infinity. For this we give an effective quantifier elimination and decision procedure which implies also the completeness of our exten...
SIGMOD
2001
ACM
14 years 8 months ago
2001
ACM
An -appro ximate quantile summary of a sequence of N elements is a data structure that can answer quantile queries about the sequence to within a precision of N. We presen t a new...
ICMCS
2006
IEEE
14 years 2 months ago
2006
IEEE
Space requirement for storing indexes and performance for query processing are two critical issues in music information retrieval (MIR) system. To overcome difficulties in variabl...
TKDE
2002
13 years 7 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
MDM
2004
Springer
14 years 1 months ago
2004
Springer
In this paper, we consider a data model for uncertain trajectories of moving objects. In our model, the trajectory is a vector of uniform stochastic processes. We study “univers...