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VLDB
1991
ACM
141views Database» more  VLDB 1991»
14 years 17 days ago
Efficiency of Nested Relational Document Database Systems
Systems designed for efficient retrieval of conventional data can be very inefficient at retrieving documents. Documents have more complex structure than conventional data, and th...
Justin Zobel, James A. Thom, Ron Sacks-Davis
SIGMOD
2001
ACM
104views Database» more  SIGMOD 2001»
14 years 9 months ago
Querying Multi-dimensional Data Indexed Using the Hilbert Space-filling Curve
Mapping to one-dimensional values and then using a onedimensional indexing method has been proposed as a way of indexing multi-dimensional data. Most previous related work uses th...
Jonathan K. Lawder, Peter J. H. King
ICRA
2008
IEEE
95views Robotics» more  ICRA 2008»
14 years 3 months ago
Observability index selection for robot calibration
— This paper relates 5 observability indexes for robot calibration to the “alphabet optimalities” from the experimental design literature. These 5 observability indexes are s...
Yu Sun, John M. Hollerbach
MSS
2010
IEEE
110views Hardware» more  MSS 2010»
13 years 3 months ago
A stability index for local effectivity functions
Abstract We study the structure of unstable local effectivity functions defined for n players and p alternatives. A stability index based on the notion of cycle is introduced. In t...
Joseph Abdou
SIGIR
2006
ACM
14 years 3 months ago
Type less, find more: fast autocompletion search with a succinct index
We consider the following full-text search autocompletion feature. Imagine a user of a search engine typing a query. Then with every letter being typed, we would like an instant d...
Holger Bast, Ingmar Weber