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PVLDB
2008
127views more  PVLDB 2008»
15 years 5 months ago
Hashed samples: selectivity estimators for set similarity selection queries
We study selectivity estimation techniques for set similarity queries. A wide variety of similarity measures for sets have been proposed in the past. In this work we concentrate o...
Marios Hadjieleftheriou, Xiaohui Yu, Nick Koudas, ...
PERCOM
2010
ACM
15 years 4 months ago
Crowdsourced radiomap for room-level place recognition in urban environment
Abstract—The proliferation of WLAN infrastructures has facilitated numerous indoor localization techniques using WLAN fingerprints. In particular, identifying a room or a place i...
Minkyu Lee, Hyunil Yang, Dongsoo Han, Chansu Yu
JCS
2010
80views more  JCS 2010»
15 years 25 days ago
Constraint differentiation: Search-space reduction for the constraint-based analysis of security protocols
We introduce constraint differentiation, a powerful technique for reducing search when model-checking security protocols using constraint-based methods. Constraint differentiation...
Sebastian Mödersheim, Luca Viganò, Dav...
IS
2011
14 years 9 months ago
Detecting proximity events in sensor networks
Sensor networks are often used to perform monitoring tasks, such as animal and vehicle tracking, or the surveillance of enemy forces in military applications. In this paper we int...
Antonios Deligiannakis, Yannis Kotidis
BMCBI
2010
143views more  BMCBI 2010»
15 years 6 months ago
Evaluation of methods for detection of fluorescence labeled subcellular objects in microscope images
Background: Several algorithms have been proposed for detecting fluorescently labeled subcellular objects in microscope images. Many of these algorithms have been designed for spe...
Pekka Ruusuvuori, Tarmo Äijö, Sharif Cho...