Sciweavers

2737 search results - page 472 / 548
» GenerIE: Information extraction using database queries
Sort
View
SIGMOD
2004
ACM
188views Database» more  SIGMOD 2004»
16 years 6 months ago
Online Event-driven Subsequence Matching over Financial Data Streams
Subsequence similarity matching in time series databases is an important research area for many applications. This paper presents a new approximate approach for automatic online s...
Huanmei Wu, Betty Salzberg, Donghui Zhang
GI
2001
Springer
15 years 11 months ago
Ontology-based Access to heterogeneous XML Data
: With the increase in popularity of XML on the Internet, the requirements of database management systems have shifted from traditional transaction-based databases towards the kind...
Lule Ahmedi, Pedro José Marrón, Geor...
SIGMOD
2009
ACM
167views Database» more  SIGMOD 2009»
16 years 7 months ago
Exploring schema repositories with schemr
Schemr is a schema search engine, and provides users the ability to search for and visualize schemas stored in a metadata repository. Users may search by keywords and by example ?...
Kuang Chen, Jayant Madhavan, Alon Y. Halevy
PODS
2006
ACM
132views Database» more  PODS 2006»
16 years 6 months ago
Principles of dataspace systems
The most acute information management challenges today stem from organizations relying on a large number of diverse, interrelated data sources, but having no means of managing the...
Alon Y. Halevy, Michael J. Franklin, David Maier
DOLAP
2004
ACM
16 years 5 days ago
An analysis of additivity in OLAP systems
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
John Horner, Il-Yeol Song, Peter P. Chen