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WWW
2005
ACM
16 years 6 months ago
Thresher: automating the unwrapping of semantic content from the World Wide Web
We describe Thresher, a system that lets non-technical users teach their browsers how to extract semantic web content from HTML documents on the World Wide Web. Users specify exam...
Andrew Hogue, David R. Karger
KDD
2006
ACM
120views Data Mining» more  KDD 2006»
16 years 6 months ago
Hierarchical topic segmentation of websites
In this paper, we consider the problem of identifying and segmenting topically cohesive regions in the URL tree of a large website. Each page of the website is assumed to have a t...
Ravi Kumar, Kunal Punera, Andrew Tomkins
KDD
2004
ACM
207views Data Mining» more  KDD 2004»
16 years 6 months ago
SPIN: mining maximal frequent subgraphs from graph databases
One fundamental challenge for mining recurring subgraphs from semi-structured data sets is the overwhelming abundance of such patterns. In large graph databases, the total number ...
Jun Huan, Wei Wang 0010, Jan Prins, Jiong Yang
AGILE
2009
Springer
210views GIS» more  AGILE 2009»
16 years 23 days ago
Detecting Hotspots in Geographic Networks
We study a point pattern detection problem on networks, motivated by geographical analysis tasks, such as crime hotspot detection. Given a network N (for example, a street, train,...
Kevin Buchin, Sergio Cabello, Joachim Gudmundsson,...
ATAL
2009
Springer
16 years 23 days ago
On the complexity of schedule control problems for knockout tournaments
Knockout tournaments constitute a common format of sporting events, and also model a specific type of election scheme (namely, sequential pairwise elimination election). In such ...
Thuc Vu, Alon Altman, Yoav Shoham