126 search results - page 4 / 26 » Euclidian Roles in Description Logics |
JAIR
2007
13 years 7 months ago
2007
It is widely recognized today that the management of imprecision and vagueness will yield more intelligent and realistic knowledge-based applications. Description Logics (DLs) are...
CADE
2008
Springer
14 years 7 months ago
2008
Springer
Abstract. Conjunctive query answering plays a prominent role in applications of description logics (DLs) that involve instance data, but its exact complexity was a long-standing op...
DLOG
2001
13 years 8 months ago
2001
We consider expressive Description Logics (ALCN) allowing for number restrictions on complex roles built with combinations of role constructors. In particular, we are mainly inter...
DLOG
2003
13 years 8 months ago
2003
This chapter covers extensions of the basic description logics introduced in Chapter 2 by very expressive constructs that require advanced reasoning techniques. In particular, we ...
IJCAI
2007
13 years 8 months ago
2007
Conjunctive queries play an important role as an expressive query language for Description Logics (DLs). Although modern DLs usually provide for transitive roles, conjunctive quer...