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SIGIR
2010
ACM
14 years 9 months ago
Hashtag retrieval in a microblogging environment
Microblog services let users broadcast brief textual messages to people who "follow" their activity. Often these posts contain terms called hashtags, markers of a post&#...
Miles Efron
SIGIR
2010
ACM
15 years 1 months ago
Supervised query modeling using wikipedia
We use Wikipedia articles to semantically inform the generation of query models. To this end, we apply supervised machine learning to automatically link queries to Wikipedia artic...
Edgar Meij, Maarten de Rijke
SIGIR
2010
ACM
15 years 1 months ago
Crowdsourcing a wikipedia vandalism corpus
We report on the construction of the PAN Wikipedia vandalism corpus, PAN-WVC-10, using Amazon’s Mechanical Turk. The corpus compiles 32 452 edits on 28 468 Wikipedia articles, a...
Martin Potthast
SIGIR
2010
ACM
15 years 1 months ago
Human performance and retrieval precision revisited
Several studies have found that the Cranfield approach to evaluation can report significant performance differences between retrieval systems for which little to no performance...
Mark D. Smucker, Chandra Prakash Jethani
SIGIR
2010
ACM
15 years 1 months ago
The impact of collection size on relevance and diversity
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...
Marijn Koolen, Jaap Kamps