Sciweavers

4902 search results - page 722 / 981
» Structures, Semantics and Statistics
Sort
View
CVPR
2012
IEEE
13 years 8 months ago
Learning hierarchical similarity metrics
Categories in multi-class data are often part of an underlying semantic taxonomy. Recent work in object classification has found interesting ways to use this taxonomy structure t...
Nakul Verma, Dhruv Mahajan, Sundararajan Sellamani...
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
EDBTW
2004
Springer
15 years 11 months ago
Index-Based Keyword Search in Mediator Systems
Many users and applications require the integration of semi-structured data from autonomous, heterogeneous Web sources. Over the last years mediator systems have emerged that use d...
Ingolf Geist
LATIN
2004
Springer
15 years 11 months ago
Approximating the Expressive Power of Logics in Finite Models
Abstract. We present a probability logic (essentially a first order language extended with quantifiers that count the fraction of elements in a model that satisfy a first order ...
Argimiro Arratia, Carlos E. Ortiz
HT
1987
ACM
15 years 9 months ago
Exploring Representation Problems Using Hypertext
Hypertext is a technology well-suited to exploring different kinds of representational problems. It can be used first as an informal mechanism to describe the attributes of object...
Catherine C. Marshall