Sciweavers

2492 search results - page 306 / 499
» Ontology-based Database Access
Sort
View
CG
2010
Springer
15 years 6 months ago
An evaluation of descriptors for large-scale image retrieval from sketched feature lines
We address the problem of fast, large scale sketch-based image retrieval, searching in a database of over one million images. We show that current retrieval methods do not scale w...
Mathias Eitz, Kristian Hildebrand, Tamy Boubekeur,...
FTDB
2008
82views more  FTDB 2008»
15 years 6 months ago
Information Extraction
The automatic extraction of information from unstructured sources has opened up new avenues for querying, organizing, and analyzing data by drawing upon the clean semantics of str...
Sunita Sarawagi
VLDB
2002
ACM
126views Database» more  VLDB 2002»
15 years 6 months ago
FAS - A Freshness-Sensitive Coordination Middleware for a Cluster of OLAP Components
Data warehouses offer a compromise between freshness of data and query evaluation times. However, a fixed preference ratio between these two variables is too undifferentiated. Wit...
Uwe Röhm, Klemens Böhm, Hans-Jörg S...
ER
2010
Springer
90views Database» more  ER 2010»
15 years 5 months ago
W-Ray: A Strategy to Publish Deep Web Geographic Data
Abstract. This paper introduces an approach to address the problem of accessing conventional and geographic data from the Deep Web. The approach relies on describing the relevant d...
Helena Piccinini, Melissa Lemos, Marco A. Casanova...
EDBT
2009
ACM
137views Database» more  EDBT 2009»
15 years 4 months ago
Flexible and scalable storage management for data-intensive stream processing
Data Stream Management Systems (DSMS) operate under strict performance requirements. Key to meeting such requirements is to efficiently handle time-critical tasks such as managing...
Irina Botan, Gustavo Alonso, Peter M. Fischer, Don...