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DOLAP
2000
ACM
14 years 2 days ago
Incremental Update to Aggregated Information for Data Warehouses over Internet
We consider the view maintenance problem in a web-based environment, in which clients query information from databases, stored in the form of materialized data warehouses, without...
Miranda Chan, Hong Va Leong, Antonio Si
ADBIS
2009
Springer
162views Database» more  ADBIS 2009»
13 years 11 months ago
Efficient Set Similarity Joins Using Min-prefixes
Identification of all objects in a dataset whose similarity is not less than a specified threshold is of major importance for management, search, and analysis of data. Set similari...
Leonardo Ribeiro, Theo Härder
KDD
2010
ACM
218views Data Mining» more  KDD 2010»
13 years 11 months ago
Online multiscale dynamic topic models
We propose an online topic model for sequentially analyzing the time evolution of topics in document collections. Topics naturally evolve with multiple timescales. For example, so...
Tomoharu Iwata, Takeshi Yamada, Yasushi Sakurai, N...
EXPDB
2006
ACM
13 years 11 months ago
An Empirical Evaluation of XQuery Processors
This paper presents an extensive and detailed experimental evaluation of XQuery processors. The study consists of running five publicly available XQuery benchmarks -- the Michigan...
Stefan Manegold
AIRS
2006
Springer
13 years 9 months ago
A Music Retrieval System Based on Query-by-Singing for Karaoke Jukebox
This paper investigates the problem of retrieving Karaoke music by singing. The Karaoke music encompasses two audio channels in each track: one is a mix of vocal and background acc...
Hung-Ming Yu, Wei-Ho Tsai, Hsin-Min Wang