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» Query Processing in the ROL system
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CLEF
2003
Springer
15 years 10 months ago
UNED at iCLEF 2003: Searching Cross-Language Summaries
The UNED phrase-based cross-language summaries were first introduced at iCLEF 2001 as a translation strategy which permitted faster document selection with roughly the same accur...
Fernando López-Ostenero, Julio Gonzalo, Fel...
EDBT
2010
ACM
189views Database» more  EDBT 2010»
15 years 10 months ago
Efficient physical operators for cost-based XPath execution
The creation of a generic and modular query optimization and processing infrastructure can provide significant benefits to XML data management. Key pieces of such an infrastructur...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
149
Voted
VLDB
2007
ACM
166views Database» more  VLDB 2007»
15 years 11 months ago
To Share or Not To Share?
Intuitively, aggressive work sharing among concurrent queries in a database system should always improve performance by eliminating redundant computation or data accesses. We show...
Ryan Johnson, Nikos Hardavellas, Ippokratis Pandis...
HPDC
2010
IEEE
15 years 6 months ago
Distributing the power of OLAP
In this paper we present the Brown Dwarf, a distributed system designed to efficiently store, query and update multidimensional data over an unstructured Peer-to-Peer overlay, wit...
Katerina Doka, Dimitrios Tsoumakos, Nectarios Kozi...
CIKM
2009
Springer
15 years 12 months ago
Enabling multi-level relevance feedback on pubmed by integrating rank learning into DBMS
Background: Finding relevant articles from PubMed is challenging because it is hard to express the user’s specific intention in the given query interface, and a keyword query ty...
Hwanjo Yu, Taehoon Kim, Jinoh Oh, Ilhwan Ko, Sungc...