6615 search results - page 38 / 1323 » Indexing Multiple Sets |
113
click to vote
JCDL
2006
ACM
15 years 5 months ago
2006
ACM
We propose a new method that enhances automatic keyphrase extraction by using semantic information on terms and phrases gleaned from a domain-specific thesaurus. We evaluate the r...
104
click to vote
DEXA
2004
Springer
15 years 5 months ago
2004
Springer
Efficient storage and retrieval of trajectory indexes has become an essential requirement for moving objects databases. The existing 3DR-tree is known to be an effective trajectory...
117
click to vote
PUC
2007
14 years 11 months ago
2007
Abstract In the near future, it will be possible to continuously record and store the entire audio–visual lifetime of a person together with all digital information that the pers...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
Exact substring matching queries on large data collections can be answered using q-gram indices, that store for each occurring q-byte pattern an (ordered) posting list with the po...
SIGMOD
2003
ACM
15 years 12 months ago
2003
ACM
Decision-support applications generate queries with complex predicates. We show how the factorization of complex query expressions exposes significant opportunities for exploiting...