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CORR
2011
Springer
185views Education» more  CORR 2011»
13 years 3 months ago
Sound and Complete Query Answering in Intensional P2P Data Integration
Contemporary use of the term ’intension’ derives from the traditional logical doctrine that an idea has both an extension and an intension. In this paper we introduce an intens...
Zoran Majkic
DOLAP
2000
ACM
14 years 25 days ago
CUBIST: A New Algorithm For Improving the Performance of Ad-hoc OLAP Queries
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
Lixin Fu, Joachim Hammer
VLDB
2007
ACM
108views Database» more  VLDB 2007»
14 years 8 months ago
Update Exchange with Mappings and Provenance
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...
Todd J. Green, Grigoris Karvounarakis, Zachary G. ...
ACHI
2009
IEEE
13 years 11 months ago
SCRABBLE.GZ: A Web-Based Collaborative Game to Promote the Galician Language
We present in this paper a web-based version of a Scrabble game, describing its architecture and some implementation details. This architecture makes possible a high degree of int...
Guillermo de Bernardo, Ana Cerdeira-Pena, Oscar Pe...
LCPC
2004
Springer
14 years 1 months ago
Supporting SQL-3 Aggregations on Grid-Based Data Repositories
There is an increasing trends towards distributed and shared repositories for storing scientific datasets. Developing applications that retrieve and process data from such reposit...
Li Weng, Gagan Agrawal, Ümit V. Çataly...