6004 search results - page 231 / 1201 » Parallelizing query optimization |
DEBU
2008
13 years 10 months ago
2008
In this paper, we describe the TIMBER XML database system implemented at University of Michigan. TIMBER was one of the first native XML database systems, designed from the ground ...
SIGMOD
2007
ACM
14 years 11 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
SSD
2001
Springer
14 years 3 months ago
2001
Springer
Abstract. In moving object databases, object locations in some multidimensional space depend on time. Previous work focuses mainly on moving object modeling (e.g., using ADTs, temp...
AICS
2009
13 years 8 months ago
2009
Document length normalisation is known to be a difficult problem in IR, as tuning is often needed to overcome the collection dependence problem known to affect many normalisation s...
SWAT
1994
Springer
14 years 2 months ago
1994
Springer
This paper gives a CREW PRAM algorithm for the problem of finding lowest common ancestors in a forest under the insertion of leaves and roots and the deletion of leaves. For a fore...