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» On Relationships Between Query Models
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125
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DLOG
1996
15 years 3 months ago
Resolving Semantic Heterogeneity in Databases with a Terminological Model: Correspondence Refinement
The success of schema integration in multidatabase systems relies heavily on the determination of complete and refined correspondence relationships between them. So, the candidate...
Ounissa Larab, Aïcha-Nabila Benharkat
232
Voted
SIGMOD
2008
ACM
142views Database» more  SIGMOD 2008»
16 years 2 months ago
Cost-based variable-length-gram selection for string collections to support approximate queries efficiently
Approximate queries on a collection of strings are important in many applications such as record linkage, spell checking, and Web search, where inconsistencies and errors exist in...
Xiaochun Yang, Bin Wang, Chen Li
CORR
2007
Springer
135views Education» more  CORR 2007»
15 years 2 months ago
Association Rules in the Relational Calculus
One of the most utilized data mining tasks is the search for association rules. Association rules represent significant relationships between items in transactions. We extend the...
Oliver Schulte, Flavia Moser, Martin Ester, Zhiyon...
158
Voted
ICCS
2005
Springer
15 years 8 months ago
Morphisms in Context
Abstract. Morphisms constitute a general tool for modelling complex relationships between mathematical objects in a disciplined fashion. In Formal Concept Analysis (FCA), morphisms...
Markus Krötzsch, Pascal Hitzler, Guo-Qiang Zh...
CVDB
2004
ACM
15 years 8 months ago
A Case Study on Array Query Optimisation
The development of applications involving multi-dimensional data sets on top of a RDBMS raises several difficulties that are not directly related to the scientific problem being ...
Roberto Cornacchia, Alex van Ballegooij, Arjen P. ...