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SIGIR
2006
ACM
16 years 8 days ago
Improving the estimation of relevance models using large external corpora
Information retrieval algorithms leverage various collection statistics to improve performance. Because these statistics are often computed on a relatively small evaluation corpus...
Fernando Diaz, Donald Metzler
ICCBR
2007
Springer
16 years 14 days ago
Using Cases Utility for Heuristic Planning Improvement
Current efficient planners employ an informed search guided by a heuristic function that is quite expensive to compute. Thus, ordering nodes in the search tree becomes a key issue,...
Tomás de la Rosa, Angel García Olaya...
CIKM
2008
Springer
15 years 8 months ago
Peer-to-peer similarity search over widely distributed document collections
This paper addresses the challenging problem of similarity search over widely distributed ultra-high dimensional data. Such an application is retrieval of the top-k most similar d...
Christos Doulkeridis, Kjetil Nørvåg, ...
CIKM
2008
Springer
15 years 8 months ago
Modeling LSH for performance tuning
Although Locality-Sensitive Hashing (LSH) is a promising approach to similarity search in high-dimensional spaces, it has not been considered practical partly because its search q...
Wei Dong, Zhe Wang, William Josephson, Moses Chari...
ICIP
2000
IEEE
16 years 8 months ago
Look up Table (LUT) Method for Image Halftoning
Recently we have applied Look Up Table (LUT) Method for inverse halftoning. We also proposed tree-structure LUT inverse halftoning in order to reduce memory requirements of the LU...
Murat Mese, Palghat P. Vaidyanathan