483 search results - page 19 / 97 » Evaluating Top-k Selection Queries |
CIKM
2003
Springer
14 years 25 days ago
2003
Springer
Evaluation of IR systems has always been difficult because of the need for manually assessed relevance judgments. The advent of large editor-driven taxonomies on the web opens the...
DBKDA
2010
IEEE
14 years 21 days ago
2010
IEEE
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
SIGMOD
2010
ACM
14 years 13 days ago
2010
ACM
This demonstration presents FlexPref, a framework implemented inside the DBMS query processor that enables efficient and extensible preference query processing. FlexPref provides ...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
Query reformulation techniques based on query logs have been studied as a method of capturing user intent and improving retrieval effectiveness. The evaluation of these techniques...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...