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EXPDB
2006
ACM
14 years 2 months ago
Pushing XPath Accelerator to its Limits
Two competing encoding concepts are known to scale well with growing amounts of XML data: XPath Accelerator encoding implemented by MonetDB for in-memory documents and X-Hive’s ...
Christian Grün, Alexander Holupirek, Marc Kra...
WEBI
2001
Springer
14 years 1 months ago
A Data Model for XML Databases
In the proposed data model for XML databases, an XML element is directly represented as a ground (variable-free) XML expression—a generalization of an XML element by incorporatio...
Vilas Wuwongse, Kiyoshi Akama, Chutiporn Anutariya...
ICDE
2004
IEEE
140views Database» more  ICDE 2004»
14 years 10 months ago
Approximate Aggregation Techniques for Sensor Databases
In the emerging area of sensor-based systems, a significant challenge is to develop scalable, fault-tolerant methods to extract useful information from the data the sensors collec...
Jeffrey Considine, Feifei Li, George Kollios, John...
ICDE
2001
IEEE
121views Database» more  ICDE 2001»
14 years 10 months ago
Model-Based Mediation with Domain Maps
We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather...
Amarnath Gupta, Bertram Ludäscher, Maryann E....
ICML
2009
IEEE
14 years 9 months ago
BoltzRank: learning to maximize expected ranking gain
Ranking a set of retrieved documents according to their relevance to a query is a popular problem in information retrieval. Methods that learn ranking functions are difficult to o...
Maksims Volkovs, Richard S. Zemel