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CORR
2012
Springer
292views Education» more  CORR 2012»
12 years 3 months ago
Optimal Threshold Control by the Robots of Web Search Engines with Obsolescence of Documents
A typical web search engine consists of three principal parts: crawling engine, indexing engine, and searching engine. The present work aims to optimize the performance of the cra...
Konstantin Avrachenkov, Alexander N. Dudin, Valent...
CIKM
2009
Springer
14 years 2 months ago
Workload-aware trie indices for XML
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...
Yuqing Wu, Sofia Brenes, Hyungdae Yi
ICDE
2005
IEEE
128views Database» more  ICDE 2005»
14 years 9 months ago
Exploiting Correlated Attributes in Acquisitional Query Processing
Sensor networks and other distributed information systems (such as the Web) must frequently access data that has a high per-attribute acquisition cost, in terms of energy, latency...
Amol Deshpande, Carlos Guestrin, Wei Hong, Samuel ...
ICASSP
2008
IEEE
14 years 2 months ago
Single-channel speech separation based on modulation frequency
This paper describes an algorithm that performs a simple form of computational auditory scene analysis to separate multiple speech signals from one another on the basis of the mod...
Lingyun Gu, Richard M. Stern
ICDE
2008
IEEE
141views Database» more  ICDE 2008»
14 years 2 months ago
Provenance-aware secure networks
Network accountability and forensic analysis have become increasingly important, as a means of performing network diagnostics, identifying malicious nodes, enforcing trust managem...
Wenchao Zhou, Eric Cronin, Boon Thau Loo