241 search results - page 30 / 49 » How Reliable Are the Results of Large-Scale Information Retr... |
CIKM
2003
Springer
14 years 2 months ago
2003
Springer
We explore the relationship between time and relevance using TREC ad-hoc queries. A type of query is identified that favors very recent documents. We propose a time-based language...
CIKM
2009
Springer
13 years 6 months ago
2009
Springer
Standard approaches to evaluating and comparing information retrieval systems compute simple averages of performance statistics across individual topics to measure the overall sys...
ITNG
2006
IEEE
14 years 3 months ago
2006
IEEE
With the vast amount of potential relevant documents on the Web, a key question for a retrieval system is how to achieve a high accuracy retrieval under current Web setting. The w...
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
Crawl selection policy has a direct influence on Web search effectiveness, because a useful page that is not selected for crawling will also be absent from search results. Yet th...
SIGIR
1998
ACM
13 years 8 months ago
1998
ACM
Ranked queries are used to locate relevant documents in text databases. In a ranked query a list of terms is specified, then the documents that most closely match the query are re...