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» A Database of Narrative Schemas
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ICDT
2007
ACM
118views Database» more  ICDT 2007»
13 years 11 months ago
Approximate Data Exchange
Abstract. We introduce approximate data exchange, by relaxing classical data exchange problems such as Consistency and Typechecking to their approximate versions based on Property ...
Michel de Rougemont, Adrien Vieilleribière
EDBT
2000
ACM
13 years 11 months ago
Materialized View Selection for Multi-Cube Data Models
OLAP applications use precomputation of aggregate data to improve query response time. While this problem has been well-studied in the recent database literature, to our knowledge ...
Amit Shukla, Prasad Deshpande, Jeffrey F. Naughton
OODBS
2000
136views Database» more  OODBS 2000»
13 years 11 months ago
A Flexible Approach for Instance Adaptation During Class Versioning
: One of the consequences of evolution can be the inability to access objects created using the older schema definition under the new definition and vice versa. Instance adaptation...
Awais Rashid, Peter Sawyer, Elke Pulvermüller
DOOD
1995
Springer
124views Database» more  DOOD 1995»
13 years 11 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...
EDBT
2008
ACM
136views Database» more  EDBT 2008»
13 years 9 months ago
Dealing with P2P semantic heterogeneity through query expansion and interpretation
In P2P systems where query initiators and information providers do not necessarily share the same ontology, semantic interoperability generally relies on ontology matching or sche...
Anthony Ventresque, Sylvie Cazalens, Philippe Lama...