Improving weak ad-hoc queries using wikipedia as external corpus.

Yinghao Li Robert Wing Pong Luk Edward Kei Shiu Ho Korris Fu-Lai Chung

Published in: SIGIR (2007)

Keyphrases

query language
query processing
web search engines
database
query evaluation
efficient processing
response time
database queries
range queries
manually annotated
user queries
query logs
complex queries
natural language processing
wikipedia articles
aggregate queries
learning algorithm