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TOCS
2008
146views more  TOCS 2008»
14 years 9 months ago
Bigtable: A Distributed Storage System for Structured Data
Bigtable is a distributed storage system for managing structured data that is designed to scale to a very large size: petabytes of data across thousands of commodity servers. Many...
Fay Chang, Jeffrey Dean, Sanjay Ghemawat, Wilson C...
JBI
2002
105views Bioinformatics» more  JBI 2002»
14 years 9 months ago
Information extraction for enhanced access to disease outbreak reports
Document search is generally based on individual terms in the document. However, for collections within limited domains it is possible to provide more powerful access tools. This ...
Ralph Grishman, Silja Huttunen, Roman Yangarber
SIGKDD
2010
161views more  SIGKDD 2010»
14 years 8 months ago
Survey on social tagging techniques
Social tagging on online portals has become a trend now. It has emerged as one of the best ways of associating metadata with web objects. With the increase in the kinds of web obj...
Manish Gupta, Rui Li, Zhijun Yin, Jiawei Han
SEMWEB
2010
Springer
14 years 7 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
ESWS
2009
Springer
14 years 7 months ago
Applied Temporal RDF: Efficient Temporal Querying of RDF Data with SPARQL
Many applications operate on time-sensitive data. Some of these data are only valid for certain intervals (e.g., job-assignments, versions of software code), others describe tempor...
Jonas Tappolet, Abraham Bernstein