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» Scalable browsing for large collections: a case study
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CCS
2011
ACM
12 years 7 months ago
SURF: detecting and measuring search poisoning
Search engine optimization (SEO) techniques are often abused to promote websites among search results. This is a practice known as blackhat SEO. In this paper we tackle a newly em...
Long Lu, Roberto Perdisci, Wenke Lee
SDM
2009
SIAM
140views Data Mining» more  SDM 2009»
14 years 4 months ago
Straightforward Feature Selection for Scalable Latent Semantic Indexing.
Latent Semantic Indexing (LSI) has been validated to be effective on many small scale text collections. However, little evidence has shown its effectiveness on unsampled large sca...
Jun Yan, Shuicheng Yan, Ning Liu, Zheng Chen
ICS
1993
Tsinghua U.
13 years 11 months ago
Dynamic Control of Performance Monitoring on Large Scale Parallel Systems
Performance monitoring of large scale parallel computers creates a dilemma: we need to collect detailed information to find performance bottlenecks, yet collecting all this data ...
Jeffrey K. Hollingsworth, Barton P. Miller
NAACL
2007
13 years 9 months ago
Automating Creation of Hierarchical Faceted Metadata Structures
We describe Castanet, an algorithm for automatically generating hierarchical faceted metadata from textual descriptions of items, to be incorporated into browsing and navigation i...
Emilia Stoica, Marti A. Hearst, Megan Richardson
IPPS
2006
IEEE
14 years 1 months ago
A study of MPI performance analysis tools on Blue Gene/L
Applications on todays massively parallel supercomputers rely on performance analysis tools to guide them toward scalable performance on thousands of processors. However, conventi...
I-Hsin Chung, Robert Walkup, Hui-Fang Wen, Hao Yu