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DAMON
2009
Springer
15 years 7 months ago
k-ary search on modern processors
This paper presents novel tree-based search algorithms that exploit the SIMD instructions found in virtually all modern processors. The algorithms are a natural extension of binar...
Benjamin Schlegel, Rainer Gemulla, Wolfgang Lehner
ACMSE
2010
ACM
15 years 3 months ago
Mobile web search personalization using ontological user profile
Most present day search engines have a deterministic behavior in the sense that they return the same search results for all users who submit the same query at a certain time. They...
Kapil Goenka, Ismailcem Budak Arpinar, Mustafa Nur...
IPM
2007
137views more  IPM 2007»
15 years 5 months ago
Analyzing imbalance among homogeneous index servers in a web search system
The performance of parallel query processing in a cluster of index servers is crucial for modern web search systems. In such a scenario, the response time basically depends on the...
Claudine Santos Badue, Ricardo A. Baeza-Yates, Ber...
HEURISTICS
2002
65views more  HEURISTICS 2002»
15 years 5 months ago
Probability Distribution of Solution Time in GRASP: An Experimental Investigation
A GRASP (greedy randomized adaptive search procedure) is a multi-start metaheuristic for combinatorial optimization. We study the probability distributions of solution time to a su...
Renata M. Aiex, Mauricio G. C. Resende, Celso C. R...
GLOBECOM
2008
IEEE
16 years 9 days ago
Reduced Complexity ML Detection for Differential Unitary Space-Time Modulation with Carrier Frequency Offset
— Recently, a maximum likelihood (ML) detection rule for differential unitary space time modulation (DUSTM) under the existence of unknown carrier frequency offset (CFO) has been...
Feifei Gao, Arumugam Nallanathan, Chintha Tellambu...