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» A Query Language for EER Schemas
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WWW
2002
ACM
15 years 10 months ago
RQL: a declarative query language for RDF
Real-scale Semantic Web applications, such as Knowledge Portals and E-Marketplaces, require the managementof large volumes of metadata, i.e., information describing the available ...
Gregory Karvounarakis, Sofia Alexaki, Vassilis Chr...
ICDE
1998
IEEE
104views Database» more  ICDE 1998»
15 years 10 months ago
Representing and Querying Changes in Semistructured Data
Semistructured data may be irregular and incomplete and does not necessarily conform to a fixed schema. As with structured data, it is often desirable to maintain a history of cha...
Sudarshan S. Chawathe, Serge Abiteboul, Jennifer W...
JCDL
2003
ACM
77views Education» more  JCDL 2003»
15 years 2 months ago
On Querying Geospatial and Georeferenced Metadata Resources in G-Portal
G-Portal is a web portal system providing a range of digital library services to access geospatial and georeferenced resources on the Web. Among them are the storage and query sub...
Zehua Liu, Ee-Peng Lim, Wee Keong Ng, Dion Hoe-Lia...
ICDT
2010
ACM
195views Database» more  ICDT 2010»
15 years 1 months ago
Answering Non-Monotonic Queries in Relational Data Exchange
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
André Hernich
85
Voted
FQAS
2006
Springer
94views Database» more  FQAS 2006»
15 years 1 months ago
Term Disambiguation in Natural Language Query for XML
Converting a natural language query sentence into a formal database query is a major challenge. We have constructed NaLIX, a natural language interface for querying XML data. Throu...
Yunyao Li, Huahai Yang, H. V. Jagadish