251 search results - page 5 / 51 » Rewriting Aggregate Queries using Description Logic |
JCDL
2005
ACM
14 years 1 months ago
2005
ACM
As an increasing number of digital library projects embrace the harvesting of item-level descriptive metadata, issues of description granularity and concerns about potential loss ...
DLOG
2010
13 years 5 months ago
2010
Unsatisfiable concepts are a major cause for inconsistencies in Description Logics knowledge bases. Popular methods for repairing such concepts aim to remove or rewrite axioms to r...
BIRTHDAY
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. The logical and operational aspects of rewriting logic as a logical framework are tested and illustrated in detail by representing pure type systems as object logics. Mor...
IS
2002
13 years 7 months ago
2002
In this paper, we explore the possibility of transforming queries with minimum and maximum predicates into equivalent queries that can be computed more efficiently. The main contr...
DLOG
2008
13 years 10 months ago
2008
Description Logics are a family of very expressive logics but some forms of knowledge are much more intuitive to formulate otherwise, say, as rules. Rules in DL can be dealt with t...