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CIKM
2010
Springer
15 years 1 months ago
Improved index compression techniques for versioned document collections
Current Information Retrieval systems use inverted index structures for efficient query processing. Due to the extremely large size of many data sets, these index structures are u...
Jinru He, Junyuan Zeng, Torsten Suel
DEXA
2010
Springer
226views Database» more  DEXA 2010»
15 years 1 months ago
Vi-DIFF: Understanding Web Pages Changes
Nowadays, many applications are interested in detecting and discovering changes on the web to help users to understand page updates and more generally, the web dynamics. Web archiv...
Zeynep Pehlivan, Myriam Ben Saad, Stéphane ...
CORR
2008
Springer
130views Education» more  CORR 2008»
15 years 1 months ago
Spectrum Allocation in Two-Tier Networks
Abstract-- Two-tier networks, comprising a conventional cellular network overlaid with shorter range hotspots (e.g. femtocells, distributed antennas, or wired relays), offer an eco...
Vikram Chandrasekhar, Jeffrey G. Andrews
ER
2010
Springer
121views Database» more  ER 2010»
15 years 1 months ago
Reasoning with Optional and Preferred Requirements
Abstract. Of particular concern in requirements engineering is the selection of requirements to implement in the next release of a system. To that end, there has been recent work o...
Neil A. Ernst, John Mylopoulos, Alexander Borgida,...
ICRA
2010
IEEE
138views Robotics» more  ICRA 2010»
15 years 1 months ago
Kinematic control of nonholonomic mobile manipulators in the presence of steering wheels
— We consider the kinematic control problem for nonholonomic mobile manipulators (NMMs) whose base contains steering wheels. For all typical tasks, the steering velocity inputs o...
Alessandro De Luca, Giuseppe Oriolo, Paolo Robuffo...
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