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FSTTCS
2008
Springer
13 years 11 months ago
Dynamic matrix rank with partial lookahead
We consider the problem of maintaining information about the rank of a matrix M under changes to its entries. For an n × n matrix M, we show an amortized upper bound of O(nω−1)...
Telikepalli Kavitha

Publication
715views
15 years 9 months ago
A Peer-to-Peer Spatial Cloaking Algorithm for Anonymous Location-based Services
This paper tackles a major privacy threat in current location-based services where users have to report their exact locations to the database server in order to obtain their desire...
Chi-Yin Chow, Mohamed F. Mokbel, Xuan Liu
HRI
2009
ACM
14 years 4 months ago
Situated messages for asynchronous human-robot interaction
An ongoing issue in human robot interaction (HRI) is how people and robots communicate with one another. While there is considerable work in real-time human-robot communication, f...
Nicolai Marquardt, James Everett Young, Ehud Sharl...
MSWIM
2006
ACM
14 years 3 months ago
Two methods of authenticated positioning
Recent studies and publications have shown a demand for a secure method to proof someones or somenthings position via a communication channel. In this paper we present a concept a...
Thomas Mundt
DAIS
2001
13 years 11 months ago
Sentient Computing for Everyone
: Sentient Computing gives perception to computing systems so that they can detect, interpret and respond to changing aspects of users' context. The location attribute of a us...
Diego López de Ipiña, Sai Lai Lo