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» Development and the Baldwin Effect
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VLDB
2001
ACM
144views Database» more  VLDB 2001»
16 years 7 months ago
Approximate query processing using wavelets
Approximate query processing has emerged as a costeffective approach for dealing with the huge data volumes and stringent response-time requirements of today's decision-suppo...
Kaushik Chakrabarti, Minos N. Garofalakis, Rajeev ...
VLDB
2007
ACM
137views Database» more  VLDB 2007»
16 years 7 months ago
Improving Data Quality: Consistency and Accuracy
Two central criteria for data quality are consistency and accuracy. Inconsistencies and errors in a database often emerge as violations of integrity constraints. Given a dirty dat...
Gao Cong, Wenfei Fan, Floris Geerts, Xibei Jia, Sh...
SIGMOD
2004
ACM
140views Database» more  SIGMOD 2004»
16 years 7 months ago
SoundCompass: A Practical Query-by-Humming System
This paper describes our practical query-by-humming system, SoundCompass, which is being used as a karaoke song selection system in Japan. First, we describe the fundamental techn...
Naoko Kosugi, Yasushi Sakurai, Masashi Morimoto
SIGMOD
2003
ACM
119views Database» more  SIGMOD 2003»
16 years 7 months ago
Robust and Efficient Fuzzy Match for Online Data Cleaning
To ensure high data quality, data warehouses must validate and cleanse incoming data tuples from external sources. In many situations, clean tuples must match acceptable tuples in...
Surajit Chaudhuri, Kris Ganjam, Venkatesh Ganti, R...
SIGMOD
2001
ACM
120views Database» more  SIGMOD 2001»
16 years 7 months ago
Materialized View Selection and Maintenance Using Multi-Query Optimization
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
Hoshi Mistry, Prasan Roy, S. Sudarshan, Krithi Ram...