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» A study of query length
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DILS
2006
Springer
15 years 3 months ago
Towards a Model of Provenance and User Views in Scientific Workflows
Scientific experiments are becoming increasingly large and complex, with a commensurate increase in the amount and complexity of data generated. Data, both intermediate and final r...
Shirley Cohen, Sarah Cohen Boulakia, Susan B. Davi...
DILS
2006
Springer
15 years 3 months ago
Data Access and Integration in the ISPIDER Proteomics Grid
Abstract. Grid computing has great potential for supporting the integration of complex, fast changing biological data repositories to enable distributed data analysis. One scenario...
Lucas Zamboulis, Hao Fan, Khalid Belhajjame, Jenni...
COMPGEOM
2001
ACM
15 years 3 months ago
Segment intersection searching problems in general settings
We consider segment intersection searching amidst (possibly intersecting) algebraic arcs in the plane. We show how to preprocess n arcs in time O(n2+ ) into a data structure of si...
Vladlen Koltun
EDBT
2000
ACM
15 years 3 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
EPIA
1995
Springer
15 years 3 months ago
The Retrieval Problem in a Concept Language with Number Restrictions
In this paper, we study the retrieval problem in ALN, which is a tractable concept language with number restrictions. Following the approach proposed in [12], this work differs fr...
Aida Vitória, Margarida Mamede, Luís...