Sciweavers

3597 search results - page 260 / 720
» Flexible Database Generators
Sort
View
KDD
1999
ACM
217views Data Mining» more  KDD 1999»
15 years 10 months ago
An Efficient Algorithm to Update Large Itemsets with Early Pruning
We present an efficient algorithm (UWEP) for updating large itemsets when new transactions are added to the set of old transactions. UWEP employs a dynamic lookahead strategy in u...
Necip Fazil Ayan, Abdullah Uz Tansel, M. Erol Arku...
ICDT
2010
ACM
163views Database» more  ICDT 2010»
15 years 9 months ago
A Theoretical Study of 'Snapshot Isolation'
Snapshot Isolation is a popular and efficient protocol for concurrency control. In this paper we discuss Snapshot Isolation in view of the classical theory for transaction process...
Ragnar Normann, Lene T. Østby
DOCENG
2008
ACM
15 years 8 months ago
Constructing a know-how repository of advices and warnings from procedural texts
In this paper, we show how a domain dependent know-how textual database of advices and warnings can be constructed from procedural texts. We show how arguments of type warnings an...
Lionel Fontan, Patrick Saint-Dizier
KDD
2009
ACM
192views Data Mining» more  KDD 2009»
16 years 6 months ago
Co-evolution of social and affiliation networks
In our work, we address the problem of modeling social network generation which explains both link and group formation. Recent studies on social network evolution propose generati...
Elena Zheleva, Hossam Sharara, Lise Getoor
EDBT
2009
ACM
102views Database» more  EDBT 2009»
16 years 1 months ago
On keys, foreign keys and nullable attributes in relational mapping systems
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
Luca Cabibbo