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ISCI
2008
13 years 9 months ago
2008
The use of frequent itemsets has been limited by the high computational cost as well as the large number of resulting itemsets. In many real-world scenarios, however, it is often ...
WSDM
2010
ACM
14 years 6 months ago
2010
ACM
Social media sites (e.g., Flickr, YouTube, and Facebook) are a popular distribution outlet for users looking to share their experiences and interests on the Web. These sites host ...
SIGCOMM
2009
ACM
14 years 3 months ago
2009
ACM
Large, socially-driven Web 2.0 sites such as Facebook and Youtube have seen significant growth in popularity [5, 10]. However, strong demand also exists for socially-driven web s...
ICWE
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. This paper describes the new e-learning tool CHESt that allows students to search in a knowledge base for short (teaching) multimedia clips by using a semantic search eng...
SIGIR
2011
ACM
12 years 11 months ago
2011
ACM
Inverted indexes are the most fundamental and widely used data structures in information retrieval. For each unique word occurring in a document collection, the inverted index sto...