571 search results - page 91 / 115 » Instance-Based Query Answering with Semantic Knowledge Bases |
ICDT
2012
ACM
11 years 10 months ago
2012
ACM
In a recent paper by Hellerstein [15], a tight relationship was conjectured between the number of strata of a Datalog¬ program and the number of “coordination stages” require...
KR
2004
Springer
14 years 1 months ago
2004
Springer
Practical description logic systems play an ever-growing role for knowledge representation and reasoning research even in distributed environments. In particular, the often-discus...
ICDE
2011
IEEE
12 years 11 months ago
2011
IEEE
—Despite the proliferation of work on XML keyword query, it remains open to support keyword query over probabilistic XML data. Compared with traditional keyword search, it is far...
JSS
2011
12 years 10 months ago
2011
Location-based services have attracted the attention of important research in the field of mobile computing. Specifically, different mechanisms have been proposed to process loc...
PODS
1995
ACM
13 years 11 months ago
1995
ACM
Databases are often incomplete because of the presence of disjunctive information, due to con icts, partial knowledge and other reasons. Queries against such databases often ask q...