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» Retrieval Status Values in Information Retrieval Evaluation
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HT
2006
ACM
16 years 17 days ago
The evolution of metadata from standards to semantics in E-learning applications
Metadata attempts to describe the content, format, purpose and structure of data. Over the past few years, the IEEE-LOM standard has dominated the metadata world in e-learning app...
Hend S. Al-Khalifa, Hugh C. Davis
ADC
2004
Springer
132views Database» more  ADC 2004»
16 years 5 hour ago
Questioning Query Expansion: An Examination of Behaviour and Parameters
In information retrieval, queries can fail to find documents due to mismatch in terminology. Query expansion is a well-known technique addressing this problem, where additional q...
Bodo Billerbeck, Justin Zobel
ISMIS
2000
Springer
15 years 10 months ago
Extended Query Answering Using Integrity Rules
Abstract. The conventional use of databases is commonly restricted to the retrieval of factual data in the form of tuples or records. However most databases also contain metadata i...
Barry G. T. Lowden, Jerome Robinson
NIPS
1997
15 years 8 months ago
Active Data Clustering
Active data clustering is a novel technique for clustering of proximity data which utilizes principles from sequential experiment design in order to interleave data generation and...
Thomas Hofmann, Joachim M. Buhmann
INFSOF
2007
148views more  INFSOF 2007»
15 years 6 months ago
Mutating database queries
A set of mutation operators for SQL queries that retrieve information from a database is developed and tested against a set of queries drawn from the NIST SQL Conformance Test Sui...
Javier Tuya, María José Suáre...