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WWW
2005
ACM
16 years 7 months ago
Algorithmic detection of semantic similarity
Automatic extraction of semantic information from text and links in Web pages is key to improving the quality of search results. However, the assessment of automatic semantic meas...
Ana Gabriela Maguitman, Filippo Menczer, Heather R...
WSDM
2009
ACM
117views Data Mining» more  WSDM 2009»
16 years 1 months ago
Query by document
We are experiencing an unprecedented increase of content contributed by users in forums such as blogs, social networking sites and microblogging services. Such abundance of conten...
Yin Yang, Nilesh Bansal, Wisam Dakka, Panagiotis G...
KDD
2007
ACM
177views Data Mining» more  KDD 2007»
16 years 6 months ago
Mining optimal decision trees from itemset lattices
We present DL8, an exact algorithm for finding a decision tree that optimizes a ranking function under size, depth, accuracy and leaf constraints. Because the discovery of optimal...
Élisa Fromont, Siegfried Nijssen
SAC
2008
ACM
15 years 5 months ago
An efficient feature ranking measure for text categorization
A major obstacle that decreases the performance of text classifiers is the extremely high dimensionality of text data. To reduce the dimension, a number of approaches based on rou...
Songbo Tan, Yuefen Wang, Xueqi Cheng
SIGIR
2010
ACM
15 years 10 months ago
SIGIR: scholar vs. scholars' interpretation
Google Scholar allows researchers to search through a free and extensive source of information on scientific publications. In this paper we show that within the limited context o...
James Lanagan, Alan F. Smeaton