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» Executing SPARQL Queries over the Web of Linked Data
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AICT
2006
IEEE
110views Communications» more  AICT 2006»
13 years 11 months ago
Design and Implementation of the NetTraveler Middleware System based on Web Services
We present NetTraveler a database middleware system for WANs that is designed to efficiently run queries over sites that are either mobile clients or enterprise servers. NetTravel...
Elliot A. Vargas-Figueroa, Manuel Rodriguez-Martin...
ICDE
2005
IEEE
116views Database» more  ICDE 2005»
14 years 8 months ago
RDF Aggregate Queries and Views
Resource Description Framework (RDF) is a rapidly expanding web standard. RDF databases attempt to track the massive amounts of web data and services available. In this paper, we ...
Edward Hung, Yu Deng, V. S. Subrahmanian
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
14 years 7 months ago
To search or to crawl?: towards a query optimizer for text-centric tasks
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
Panagiotis G. Ipeirotis, Eugene Agichtein, Pranay ...
ICDE
2006
IEEE
127views Database» more  ICDE 2006»
14 years 1 months ago
Processing Recursive XQuery over XML Streams: The Raindrop Approach
— XML stream applications bring the challenge of efficiently processing queries on sequentially accessible tokenbased data. For efficient processing of queries, we need to ensu...
Mingzhu Wei, Ming Li, Elke A. Rundensteiner, Mural...
SBBD
2004
133views Database» more  SBBD 2004»
13 years 8 months ago
Query Processing in ROSA Data Model
Learning Content Management Systems (LCMS) store and manage e-learning content and play an important role in the development of Distance Learning technology. ROSA (Repository of O...
Fábio Coutinho, Fabio Porto