654 search results - page 113 / 131 » Complexity of Answering Queries Using Materialized Views |
AAAI
2008
13 years 9 months ago
2008
Search engines present fix-length passages from documents ranked by relevance against the query. In this paper, we present and compare novel, language-model based methods for extr...
AAAI
1994
13 years 8 months ago
1994
We introduce a new framework for the study of reasoning. The Learning (in order) to Reason approach developed here views learning as an integral part of the inference process, and ...
ECOI
2007
13 years 7 months ago
2007
Experts often disagree about the organization of biological taxa. The shifting definitions of taxonomic names complicate otherwise simple queries concerning these taxa. For examp...
ICDE
2005
IEEE
14 years 8 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
SAMT
2007
Springer
14 years 1 months ago
2007
Springer
—In this paper we present a scalable and distributed system for image retrieval based on visual features and annotated text. This system is the core of the SAPIR project. Its arc...