571 search results - page 70 / 115 » Instance-Based Query Answering with Semantic Knowledge Bases |
ECSQARU
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. The problem of merging multiple sources information is central in several domains of computer science. In knowledge representation for artificial intelligence, several a...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Syndication systems on the Web have attracted vast amounts of attention in recent years. As technologies have emerged and matured, there has been a transition to more expressive s...
DLOG
2011
12 years 11 months ago
2011
Query answering in Ontology Based Data Access (OBDA) exploits the knowledge of an ontology’s TBox to deal with incompleteness of the ABox (or data source). Current query-answerin...
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
Large knowledge bases consisting of entities and relationships between them have become vital sources of information for many applications. Most of these knowledge bases adopt the...
AMW
2011
12 years 11 months ago
2011
Subqueries are a poweful feature which allows to enforce reuse, composition, rewriting and optimization in a query language. In this paper we perform a comprehensive study of the i...