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KDD
2001
ACM
150views Data Mining» more  KDD 2001»
14 years 8 months ago
Empirical bayes screening for multi-item associations
This paper considers the framework of the so-called "market basket problem", in which a database of transactions is mined for the occurrence of unusually frequent item s...
William DuMouchel, Daryl Pregibon
CORR
2002
Springer
187views Education» more  CORR 2002»
13 years 7 months ago
Answer Sets for Consistent Query Answering in Inconsistent Databases
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki
MOBIHOC
2004
ACM
14 years 1 months ago
Market sharing games applied to content distribution in ad-hoc networks
In third generation (3G) wireless data networks, repeated requests for popular data items can exacerbate the already scarce wireless spectrum. In this paper we propose an architec...
Michel X. Goemans, Erran L. Li, Vahab S. Mirrokni,...
VLDB
1994
ACM
84views Database» more  VLDB 1994»
13 years 11 months ago
A Multidatabase System for Tracking and Retrieval of Financial Data
We have built a multidatabase system to support a financial application that stores historical data used by traders to identify trends in the market. The application has an update...
Munir Cochinwala, John Bradley
SIGMOD
2007
ACM
151views Database» more  SIGMOD 2007»
14 years 7 months ago
The case for a wide-table approach to manage sparse relational data sets
A "sparse" data set typically has hundreds or even thousands of attributes, but most objects have non-null values for only a small number of these attributes. A popular ...
Eric Chu, Jennifer L. Beckmann, Jeffrey F. Naughto...