155 search results - page 24 / 31 » Non-Determinism in Deductive Databases |
CORR
2007
Springer
13 years 9 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
FOCS
1998
IEEE
14 years 2 months ago
1998
IEEE
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
DEXAW
1999
IEEE
14 years 2 months ago
1999
IEEE
Recent efforts in the Conceptual Modelling community have been devoted to properly capturing time-varying information, and several proposals of temporally enhanced Entity-Relation...
VLDB
1998
ACM
14 years 2 months ago
1998
ACM
It is today widely acceptedthat "Business Rules Independence" is required for information systemsto better and more rapidly adjust to changesin thebusinessenvironment,Th...
DEXAW
2004
IEEE
14 years 1 months ago
2004
IEEE
We have developed an automated Japanese essay scoring system named jess. The system evaluates an essay from three features: (1) Rhetoric -- ease of reading, diversity of vocabular...