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» On the Automatic Extraction of Data from the Hidden Web
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KDD
2003
ACM
148views Data Mining» more  KDD 2003»
14 years 9 months ago
Mining data records in Web pages
A large amount of information on the Web is contained in regularly structured objects, which we call data records. Such data records are important because they often present the e...
Bing Liu, Robert L. Grossman, Yanhong Zhai
ICMCS
2009
IEEE
134views Multimedia» more  ICMCS 2009»
13 years 6 months ago
Robust lossless data hiding based on block gravity center for selective authentication
Reversible or lossless data hiding enables host media to be restored from marked media without any loss of host information. However, since most of existing lossless data hiding m...
Kyung-Su Kim, Min-Jeong Lee, Young-Ho Suh, Heung-K...
EMNLP
2009
13 years 6 months ago
Human-competitive tagging using automatic keyphrase extraction
This paper connects two research areas: automatic tagging on the web and statistical keyphrase extraction. First, we analyze the quality of tags in a collaboratively created folks...
Olena Medelyan, Eibe Frank, Ian H. Witten
ICPR
2006
IEEE
14 years 9 months ago
Hidden Markov Models for Optical Flow Analysis in Crowds
This paper presents an event detector for emergencies in crowds. Assuming a single camera and a dense crowd we rely on optical flow instead of tracking statistics as a feature to ...
Ernesto L. Andrade, Scott Blunsden, Robert B. Fish...
KCAP
2005
ACM
14 years 2 months ago
AutoFeed: an unsupervised learning system for generating webfeeds
The AutoFeed system automatically extracts data from semistructured web sites. Previously, researchers have developed two types of supervised learning approaches for extracting we...
Bora Gazen, Steven Minton