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ECIR
2009
Springer
14 years 4 months ago
Synchronous Collaborative Information Retrieval: Techniques and Evaluation
Synchronous Collaborative Information Retrieval refers to systems that support multiple users searching together at the same time in order to satisfy a shared information need. To ...
Colum Foley, Alan F. Smeaton
ICC
2007
IEEE
149views Communications» more  ICC 2007»
14 years 1 months ago
Synchronization Signal Design for OFDM Based On Time-Frequency Hopping Patterns
— In an OFDM system, channel estimation can be considered as sampling the time-frequency response of the channel through a number of known pilot symbols placed across the time-fr...
Jiann-Ching Guey
ACMSE
2005
ACM
14 years 1 months ago
Exploring communication overheads and locking policies in a peer-to-peer synchronous collaborative editing system
In this paper, we describe recent work in developing a peer-topeer collaborative environment. The study examines various locking mechanisms/policies by adjusting the granularity o...
Jon A. Preston, Sushil K. Prasad
ICRA
2002
IEEE
111views Robotics» more  ICRA 2002»
14 years 14 days ago
Mission Planning for the Sun-Synchronous Navigation Field Experiment
This paper describes TEMPEST, a planner that enables a solar-powered rover to reason about path selection and event placement in terms of available solar energy and anticipated po...
Paul Tompkins, Anthony Stentz, William Whittaker
USENIX
2003
13 years 9 months ago
In-Place Rsync: File Synchronization for Mobile and Wireless Devices
The open-source rsync utility reduces the time and bandwidth required to update a file across a network. Rsync uses an interactive protocol that detects changes in a file and se...
David Rasch, Randal C. Burns