441 search results - page 63 / 89 » Query expansion using random walk models |
ALGORITHMICA
2002
13 years 9 months ago
2002
We describe a quantum black-box network computing the majority of N bits with zerosided error using only 2 3 N + O( N log( -1 log N)) queries: the algorithm returns the correct an...
CLEF
2010
Springer
13 years 11 months ago
2010
Springer
This paper presents the UESTC contribution to the ImageCLEF 2010 medical retrieval task. For ad-hoc retrieval and case-based retrieval, we only use text information, and propose a ...
VIS
2007
IEEE
14 years 11 months ago
2007
IEEE
With the exponential growth in size of geometric data, it is becoming increasingly important to make effective use of multilevel caches, limited disk storage, and bandwidth. As a r...
COMAD
2008
13 years 11 months ago
2008
Asynchronous IO (AIO) allows a process to continue to do other work while an IO operation initiated earlier completes. AIO allows a large number of random IO operations to be issu...
CIKM
2005
Springer
14 years 3 months ago
2005
Springer
Information retrieval systems (e.g., web search engines) are critical for overcoming information overload. A major deficiency of existing retrieval systems is that they generally...