CORR
2004
Springer
13 years 11 months ago
2004
Springer
This paper describes the Patent Retrieval Task in the Fourth NTCIR Workshop, and the test collections produced in this task. We perform the invalidity search task, in which each p...
SIGIR
2004
ACM
14 years 5 months ago
2004
ACM
This paper describes the Patent Retrieval Task in the Fourth NTCIR Workshop, and the test collections produced in this task. We perform the invalidity search task, in which each p...