441 search results - page 61 / 89 » Query expansion using random walk models |
IPM
2007
13 years 9 months ago
2007
This paper describes our novel retrieval model that is based on contexts of query terms in documents (i.e., document contexts). Our model is novel because it explicitly takes into...
GECCO
2007
Springer
14 years 4 months ago
2007
Springer
Genetic algorithms (GAs) have long been used for large join query optimization (LJQO). Previous work takes all queries as based on one granularity to optimize GAs and compares the...
CLEF
2007
Springer
14 years 4 months ago
2007
Springer
The domain-specific track uses test collections from the social science domain to test monolingual and cross-language retrieval in structured bibliographic databases. Special atte...
SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
Song and Bruza [6] introduce a framework for Information Retrieval(IR) based on Gardenfor’s three tiered cognitive model; Conceptual Spaces[4]. They instantiate a conceptual spa...
VLDB
2001
ACM
14 years 2 months ago
2001
ACM
This paper investigates the problem of incremental joins of multiple ranked data sets when the join condition is a list of arbitrary user-defined predicates on the input tuples. ...