383 search results - page 59 / 77 » Query Containment for Conjunctive Queries with Regular Expre... |
CADE
2006
Springer
14 years 11 days ago
2006
Springer
We introduce a Presburger modal logic PML with regularity constraints and full Presburger constraints on the number of children that generalize graded modalities, also known as num...
GLOBECOM
2010
IEEE
13 years 6 months ago
2010
IEEE
In this paper, we propose a novel routing protocol, PRO, for profile-based routing in pocket switched networks. Differing from previous routing protocols, PRO treats node encounter...
CASCON
2001
13 years 10 months ago
2001
On Line Analytical Processing (OLAP) aims at gaining useful information quickly from large amounts of data residing in a data warehouse. To improve the quickness of response to qu...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Traditional approaches to rule-based information extraction (IE) have primarily been based on regular expression grammars. However, these grammar-based systems have difficulty scal...