Sciweavers

1177 search results - page 10 / 236
» A Database of Narrative Schemas
Sort
View
VLDB
2004
ACM
86views Database» more  VLDB 2004»
14 years 25 days ago
SVT: Schema Validation Tool for Microsoft SQL-Server
We present SVT, a tool for validating database schemas in SQL Server. This is done by means of testing desirable properties that a database schema should satisfy. To our knowledge...
Ernest Teniente, Carles Farré, Toni Urp&iac...
DBISP2P
2006
Springer
111views Database» more  DBISP2P 2006»
13 years 11 months ago
P2P Query Reformulation over Both-As-View Data Transformation Rules
Abstract. The both-as-view (BAV) approach to data integration has the advantage of specifying mappings between schemas in a bidirectional manner, so that once a BAV mapping has bee...
Peter McBrien, Alexandra Poulovassilis
WOLLIC
2009
Springer
14 years 2 months ago
Spoilt for Choice: Full First-Order Hierarchical Decompositions
Abstract. Database design aims to find a database schema that permits the efficient processing of common types of queries and updates on future database instances. Full first-ord...
Sebastian Link
PODS
2004
ACM
158views Database» more  PODS 2004»
14 years 7 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
DEXA
2007
Springer
135views Database» more  DEXA 2007»
14 years 1 months ago
Semantic Grouping of Social Networks in P2P Database Settings
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
Verena Kantere, Dimitrios Tsoumakos, Timos K. Sell...