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DOOD
1995
Springer
124views Database» more  DOOD 1995»
14 years 2 months ago
Querying Semistructured Heterogeneous Information
Abstract. Semistructured data has no absolute schema xed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigi...
Dallan Quass, Anand Rajaraman, Yehoshua Sagiv, Jef...
CIKM
2008
Springer
14 years 22 days ago
MashQL: a query-by-diagram topping SPARQL
This article is motivated by the importance of building web data mashups. Building on the remarkable success of Web 2.0 mashups, and specially Yahoo Pipes, we generalize the idea ...
Mustafa Jarrar, Marios D. Dikaiakos
SEBD
2007
148views Database» more  SEBD 2007»
14 years 5 days ago
Containment of Conjunctive Object Meta-Queries
We consider the problem of query containment over an object data model derived from F-logic. F-logic has generated considerable interest commercially, in the academia, and within ...
Andrea Calì, Michael Kifer
ISTA
2001
14 years 4 days ago
A Technique for Information System Integration
: Nowadays, a central topic in database science is the need of an integrated access to large amounts of data provided by various information sources whose contents are strictly rel...
Sergio Greco, Luigi Pontieri, Ester Zumpano
DLOG
1996
14 years 2 days ago
A Translation Scheme for Domain Ontologies Based on Model Ontologies of KBS
To ensure the re-use of domain ontologies the usual approach relies on a pivot language, e.g., Kif, intoandfromwhich the domainontologyis translated. This requires several distinc...
Houria Mihoubi, Ana Simonet, Michel Simonet