Sciweavers

1445 search results - page 101 / 289
» XPath query containment
Sort
View
HIS
2009
14 years 7 months ago
Implementing and Evaluating a Rule-Based Approach to Querying Regular EL+ Ontologies
Recent years have witnessed the wide recognition of the importance of ontology and rule in the AI research. In this paper, we report our implementation and evaluation of a rule-ba...
Yuting Zhao, Jeff Z. Pan, Yuan Ren
EDBT
2006
ACM
130views Database» more  EDBT 2006»
15 years 10 months ago
Querying and Updating Probabilistic Information in XML
Abstract. We present in this paper a new model for representing probabilistic information in a semi-structured (XML) database, based on the use of probabilistic event variables. Th...
Serge Abiteboul, Pierre Senellart
ADBIS
2007
Springer
119views Database» more  ADBIS 2007»
15 years 4 months ago
Combining Efficient XML Compression with Query Processing
This paper describes a new XML compression scheme that offers both high compression ratios and short query response time. Its core is a fully reversible transform featuring substit...
Przemyslaw Skibinski, Jakub Swacha
EDBTW
2006
Springer
15 years 1 months ago
Semantically Correct Query Answers in the Presence of Null Values
For several reasons a database may not satisfy a given set of integrity constraints (ICs), but most likely most of the information in it is still consistent with those ICs; and cou...
Loreto Bravo, Leopoldo E. Bertossi
TREC
1997
14 years 11 months ago
Short Queries, Natural Language and Spoken Document Retrieval: Experiments at Glasgow University
This paper contains a description of the methodology and results of the three TREC submissions made by the Glasgow IR group (glair). In addition to submitting to the ad hoc task, ...
Fabio Crestani, Mark Sanderson, Marcos Theophylact...