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SIGIR
2004
ACM
14 years 3 months ago
Document clustering via adaptive subspace iteration
Document clustering has long been an important problem in information retrieval. In this paper, we present a new clustering algorithm ASI1, which uses explicitly modeling of the s...
Tao Li, Sheng Ma, Mitsunori Ogihara
ER
2003
Springer
129views Database» more  ER 2003»
14 years 3 months ago
Querying Heterogeneous XML Sources through a Conceptual Schema
XML is a widespread W3C standard used by several kinds of applications for data representation and exchange over the web. In the context of a system that provides semantic integrat...
Sandro Daniel Camillo, Carlos A. Heuser, Ronaldo d...
DCC
1998
IEEE
14 years 2 months ago
The Context Trees of Block Sorting Compression
Abstract. The Burrows-Wheeler transform (BWT) and block sorting compression are closely related to the context trees of PPM. The usual approach of treating BWT as merely a permutat...
N. Jesper Larsson
EVOW
1998
Springer
14 years 2 months ago
Blurred Vision: Simulation-Reality Transfer of a Visually Guided Robot
This paper investigates the evolution of robot controllers utilising only visual environment input data, capable of performing a hard task, playing football, in the real world. Th...
Tom M. C. Smith
SCCC
1997
IEEE
14 years 2 months ago
Write Optimized Object-Oriented Database Systems
In a database system, read operations are much more common than write operations, and consequently, database systems have been read optimized. As the size of main memory increases...
Kjetil Nørvåg, Kjell Bratbergsengen