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» Map operations and k-orbit maps
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EJC
2010
13 years 7 months ago
Maps admitting trialities but not dualities
We use group theory to construct infinite families of maps on surfaces which are invariant under Wilson's map operations of order 3 but not under the operations of order 2, s...
Gareth A. Jones, Andrew Poulton
VLDB
2008
ACM
156views Database» more  VLDB 2008»
14 years 7 months ago
Implementing mapping composition
Mapping composition is a fundamental operation in metadata driven applications. Given a mapping over schemas 1 and 2 and a mapping over schemas 2 and 3, the composition problem is...
Philip A. Bernstein, Todd J. Green, Sergey Melnik,...
IROS
2009
IEEE
156views Robotics» more  IROS 2009»
14 years 2 months ago
Multi-robot SLAM using ceiling vision
— In this paper we present a new vision-based SLAM approach for multi-robot formulation. For a cooperative map reconstruction, the robots have to know each other’s relative pos...
Hee Seok Lee, Kyoung Mu Lee
COOPIS
2004
IEEE
13 years 11 months ago
Supporting Similarity Operations Based on Approximate String Matching on the Web
Querying and integrating sources of structured data from the Web in most cases requires similarity-based concepts to deal with data level conflicts. This is due to the often errone...
Eike Schallehn, Ingolf Geist, Kai-Uwe Sattler
W2GIS
2009
Springer
14 years 2 days ago
Wired Fisheye Lens: A Motion-Based Improved Fisheye Interface for Mobile Web Map Services
We propose a mobile Web map interface that is based on a metaphor of the Wired Fisheye Lens. The interface was developed by using an improved fisheye views (Focus+Glue+Context map...
Daisuke Yamamoto, Shotaro Ozeki, Naohisa Takahashi