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» Systems Support for Pervasive Query Processing
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AAAI
2007
13 years 10 months ago
AURA: Enabling Subject Matter Experts to Construct Declarative Knowledge Bases from Science Textbooks
The long-term goal of Project Halo is to build an application called Digital Aristotle that can answer questions on a variety of science topics and provide user and domain appropr...
Ken Barker, Vinay K. Chaudhri, Shaw Yi Chaw, Peter...
SIGMOD
2007
ACM
162views Database» more  SIGMOD 2007»
14 years 7 months ago
Effective and efficient update of xml in RDBMS
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
Zhen Hua Liu, Muralidhar Krishnaprasad, James W. W...
VLDB
2004
ACM
114views Database» more  VLDB 2004»
14 years 29 days ago
Hardware Acceleration in Commercial Databases: A Case Study of Spatial Operations
Traditional databases have focused on the issue of reducing I/O cost as it is the bottleneck in many operations. As databases become increasingly accepted in areas such as Geograp...
Nagender Bandi, Chengyu Sun, Amr El Abbadi, Divyak...
AIMSA
2008
Springer
14 years 2 months ago
Using Text Segmentation to Enhance the Cluster Hypothesis
An alternative way to tackle Information Retrieval, called Passage Retrieval, considers text fragments independently rather than assessing global relevance of documents. In such a ...
Sylvain Lamprier, Tassadit Amghar, Bernard Levrat,...
CIKM
2006
Springer
13 years 11 months ago
Evaluation by comparing result sets in context
Familiar evaluation methodologies for information retrieval (IR) are not well suited to the task of comparing systems in many real settings. These systems and evaluation methods m...
Paul Thomas, David Hawking