SIGIR
2010
ACM
14 years 2 months ago
2010
ACM
It has been observed that precision increases with collection size. One explanation could be that the redundancy of information increases, making it easier to find multiple docum...
SIGIR
2006
ACM
14 years 5 months ago
2006
ACM
Modern distributed information retrieval techniques require accurate knowledge of collection size. In non-cooperative environments, where detailed collection statistics are not av...