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SIGIR
2003
ACM
15 years 9 months ago
Generating hierarchical summaries for web searches
Hierarchies provide a means of organizing, summarizing and accessing information. We describe a method for automatically generating hierarchies from small collections of text, and...
Dawn J. Lawrie, W. Bruce Croft
ADC
2003
Springer
133views Database» more  ADC 2003»
15 years 9 months ago
Utilizing Hyperlink Transitivity to Improve Web Page Clustering
The rapid increase of web complexity and size makes web searched results far from satisfaction in many cases due to a huge amount of information returned by search engines. How to...
Jingyu Hou, Yanchun Zhang
FOCS
2000
IEEE
15 years 8 months ago
On Clusterings - Good, Bad and Spectral
We motivate and develop a natural bicriteria measure for assessing the quality of a clustering that avoids the drawbacks of existing measures. A simple recursive heuristic is shown...
Ravi Kannan, Santosh Vempala, Adrian Vetta
SIGIR
1999
ACM
15 years 8 months ago
Probabilistic Latent Semantic Indexing
Probabilistic Latent Semantic Indexing is a novel approach to automated document indexing which is based on a statistical latent class model for factor analysis of count data. Fit...
Thomas Hofmann
CIKM
1998
Springer
15 years 8 months ago
Continual Computation Policies for Utility-Directed Prefetching
People accessing documents via the Internet typically experience latencies in retrieving content. We discuss continual-computation policies that dictate strategies for prefetching...
Eric Horvitz