342 search results - page 20 / 69 » Conjunctive Queries over Trees |
JOLLI
2010
13 years 6 months ago
2010
Large databases of linguistic annotations are used for testing linguistic hypotheses and for training language processing models. These linguistic annotations are often syntactic ...
ADBIS
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. Query rewriting method is proposed for the heterogeneous information integration infrastructure formed by the subject mediator environment. Local as View (LAV) approach t...
SPIRE
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Term-partitioned indexes are generally inefficient for the evaluation of conjunctive queries, as they require the communication of long posting lists. On the other side, ...
ICDT
2011
ACM
12 years 11 months ago
2011
ACM
The goal of Knowledge Compilation is to represent a Boolean expression in a format in which it can answer a range of online-queries in PTIME. The online-query of main interest to ...
LICS
2002
IEEE
14 years 20 days ago
2002
IEEE
We study relations on trees defined by first-order constraints over a vocabulary that includes the tree extension relation Ì Ì ¼, holding if and only if every branch of Ì ex...