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IJAR
2008
72views more  IJAR 2008»
15 years 6 months ago
The game-theoretic capital asset pricing model
Using Shafer and Vovk's game-theoretic framework for probability, we derive a capital asset pricing model from an efficient market hypothesis, with no assumptions about the b...
Vladimir Vovk, Glenn Shafer
SIGMOD
2005
ACM
194views Database» more  SIGMOD 2005»
15 years 11 months ago
STRG-Index: Spatio-Temporal Region Graph Indexing for Large Video Databases
In this paper, we propose new graph-based data structure and indexing to organize and retrieve video data. Several researches have shown that a graph can be a better candidate for...
JeongKyu Lee, Jung-Hwan Oh, Sae Hwang
VLDB
2000
ACM
229views Database» more  VLDB 2000»
15 years 9 months ago
Local Dimensionality Reduction: A New Approach to Indexing High Dimensional Spaces
Many emerging application domains require database systems to support efficient access over highly multidimensional datasets. The current state-of-the-art technique to indexing hi...
Kaushik Chakrabarti, Sharad Mehrotra
ICDAR
2003
IEEE
15 years 11 months ago
Indexing and Retrieval of On-line Handwritten Documents
Recent advances in on-line data capturing technologies and its widespread deployment in devices like PDAs and notebook PCs is creating large amounts of handwritten data that need ...
Anil K. Jain, Anoop M. Namboodiri
PODS
2011
ACM
238views Database» more  PODS 2011»
14 years 9 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi