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SDM
2007
SIAM
187views Data Mining» more  SDM 2007»
13 years 10 months ago
Topic Models over Text Streams: A Study of Batch and Online Unsupervised Learning
Topic modeling techniques have widespread use in text data mining applications. Some applications use batch models, which perform clustering on the document collection in aggregat...
Arindam Banerjee, Sugato Basu
SIGECOM
2010
ACM
174views ECommerce» more  SIGECOM 2010»
13 years 7 months ago
Aggregation and manipulation in prediction markets: effects of trading mechanism and information distribution
We conduct laboratory experiments on variants of market scoring rule prediction markets, under different information distribution patterns, in order to evaluate the efficiency an...
Lian Jian, Rahul Sami
CHI
1996
ACM
14 years 1 months ago
Silk from a Sow's Ear: Extracting Usable Structures from the Web
In its current implementation, the World-Wide Web lacks much of the explicit structure and strong typing found in many closed hypertext systems. While this property has directly f...
Peter Pirolli, James E. Pitkow, Ramana Rao
CORR
2012
Springer
209views Education» more  CORR 2012»
12 years 4 months ago
Aggregation in Probabilistic Databases via Knowledge Compilation
This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...
Robert Fink, Larisa Han, Dan Olteanu
HICSS
2010
IEEE
237views Biometrics» more  HICSS 2010»
14 years 4 months ago
Data Aggregation and Analysis for Cancer Statistics - A Visual Analytics Approach
The disparity between data collected in rural and urban counties is often detrimental in the appropriate analysis of cancer care statistics. Low counts drastically affect the inci...
Ross Maciejewski, Travis Drake, Stephen Rudolph, A...