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ALGOSENSORS
2009
Springer
15 years 6 months ago
Improved Approximation Algorithms for Maximum Lifetime Problems in Wireless Networks
A wireless ad-hoc network is a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited battery charge. The battery charge is then reduced a...
Zeev Nutov, Michael Segal
APPROX
2009
Springer
85views Algorithms» more  APPROX 2009»
15 years 6 months ago
Pseudorandom Generators and Typically-Correct Derandomization
The area of derandomization attempts to provide efficient deterministic simulations of randomized algorithms in various algorithmic settings. Goldreich and Wigderson introduced a n...
Jeff Kinne, Dieter van Melkebeek, Ronen Shaltiel
CIKM
2009
Springer
15 years 6 months ago
Generating comparative summaries of contradictory opinions in text
This paper presents a study of a novel summarization problem called contrastive opinion summarization (COS). Given two sets of positively and negatively opinionated sentences whic...
Hyun Duk Kim, ChengXiang Zhai
CIVR
2009
Springer
145views Image Analysis» more  CIVR 2009»
15 years 6 months ago
Jointly optimising relevance and diversity in image retrieval
In this paper we present a method to jointly optimise the relevance and the diversity of the results in image retrieval. Without considering diversity, image retrieval systems oft...
Thomas Deselaers, Tobias Gass, Philippe Dreuw, Her...
COSIT
2009
Springer
106views GIS» more  COSIT 2009»
15 years 6 months ago
The Role of Angularity in Route Choice
Abstract. The paths of 2425 individual motorcycle trips made in London were analyzed in order to uncover the route choice decisions made by drivers. The paths were derived from glo...
Alasdair Turner
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