204 search results - page 1 / 41 » Indexing for Data Models with Constraints and Classes |
PODS
1993
ACM
13 years 9 months ago
1993
ACM
CIKM
2004
Springer
13 years 10 months ago
2004
Springer
An important class of queries is the LIKE predicate in SQL. In the absence of an index, LIKE queries are subject to performance degradation. The notion of indexing on substrings (...
DEXAW
2005
IEEE
13 years 6 months ago
2005
IEEE
In this paper, we study semistructured data and indexes preserving inclusion constraints. A semistructured datum is modelled by multi-rooted edge-labeled directed graphs. We consi...
ALT
2005
Springer
14 years 1 months ago
2005
Springer
In language learning, strong relationships between Gold-style models and query models have recently been observed: in some quite general setting Gold-style learners can be replaced...
ALT
1997
Springer
13 years 9 months ago
1997
Springer
An index for an r.e. class of languages (by definition) generates a sequence of grammars defining the class. An index for an indexed family of languages (by definition) generat...