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KDD
2008
ACM
138views Data Mining» more  KDD 2008»
14 years 8 months ago
Quantitative evaluation of approximate frequent pattern mining algorithms
Traditional association mining algorithms use a strict definition of support that requires every item in a frequent itemset to occur in each supporting transaction. In real-life d...
Rohit Gupta, Gang Fang, Blayne Field, Michael Stei...
VLDB
2001
ACM
151views Database» more  VLDB 2001»
14 years 8 months ago
Approximate query mapping: Accounting for translation closeness
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
VLDB
2007
ACM
107views Database» more  VLDB 2007»
14 years 8 months ago
VGRAM: Improving Performance of Approximate Queries on String Collections Using Variable-Length Grams
Many applications need to solve the following problem of approximate string matching: from a collection of strings, how to find those similar to a given string, or the strings in ...
Chen Li, Bin Wang, Xiaochun Yang
CSE
2009
IEEE
14 years 13 days ago
Processing Approximate Moving Range Queries in Mobile Sensor Environments
— The ubiquity of mobile devices has led to a rising demand for location-based services and applications. A major part of these services is based on the location-detection capabi...
Antoniya Petkova, Kien A. Hua, Alexander J. Aved
BTW
2005
Springer
80views Database» more  BTW 2005»
14 years 1 months ago
Measuring the Quality of Approximated Clusterings
Abstract. Clustering has become an increasingly important task in modern application domains. In many areas, e.g. when clustering complex objects, in distributed clustering, or whe...
Hans-Peter Kriegel, Martin Pfeifle