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ICDM
2008
IEEE
186views Data Mining» more  ICDM 2008»
16 years 29 days ago
xCrawl: A High-Recall Crawling Method for Web Mining
Web Mining Systems exploit the redundancy of data published on the Web to automatically extract information from existing web documents. The first step in the Information Extract...
Kostyantyn M. Shchekotykhin, Dietmar Jannach, Gerh...
151
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WWW
2009
ACM
16 years 7 months ago
A flight meta-search engine with metamorph
We demonstrate a flight meta-search engine that is based on the Metamorph framework. Metamorph provides mechanisms to model web forms together with the interactions which are need...
Bernhard Krüpl, Wolfgang Holzinger, Yansen Da...
AAAI
2008
15 years 8 months ago
A Utility-Theoretic Approach to Privacy and Personalization
Online services such as web search, news portals, and ecommerce applications face the challenge of providing highquality experiences to a large, heterogeneous user base. Recent ef...
Andreas Krause, Eric Horvitz
ICDE
2005
IEEE
107views Database» more  ICDE 2005»
16 years 7 months ago
Venn Sampling: A Novel Prediction Technique for Moving Objects
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
Yufei Tao, Dimitris Papadias, Jian Zhai, Qing Li
ICDE
2000
IEEE
183views Database» more  ICDE 2000»
16 years 7 months ago
Accurate Estimation of the Cost of Spatial Selections
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
Ashraf Aboulnaga, Jeffrey F. Naughton