Experience Note of Driving Support System in Fujitsu Laboratories Ltd.

Fujitsu Laboratories TREC2001 Report

This year a Fujitsu Laboratory team participated in web tracks. Both for ad hoc task, and entry point search task, we combined the score of normal ranking search and that of page ranking techniques. For ad hoc style task, the eect of page ranking was very limitted. We only got very little improvement for title eld search, and the page rank was not eective for description, and narrative eld sear...

Fujitsu Laboratories TREC-9 Report

Fujitsu Laboratories Trec7 Report 2 System Description 2.1 Overall 2.2 the Search System Teraa

1 Abstract In our rst participation in TREC, our focus was on improving the basic ranking systems and applying text clustering techniques for query expansion. We tested a variety of techiniques including reference measures, passage retrieval, and data fusion for the basic ranking systems. Some te-chiniques were used in the oocial run, others were not used because of time limitations. We applied...

Fujitsu Laboratories Trec7 Report 2 System Description 2.1 Overall 2.2 the Search System Tera

In our rst participation in TREC, our focus was on improving the basic ranking systems and applying text clustering techniques for query expansion. We tested a variety of techiniques including reference measures, passage retrieval, and data fusion for the basic ranking systems. Some techiniques were used in the o cial run, others were not used because of time limitations. We applied the text cl...

Fujitsu Laboratories Trec8 Report 1 System Description 1.0.1 Tera 2 Common Processing

This year a Fujitsu Laboratory team participated in three tracks:that is ad hoc, small web track, and large web track. As basic techiniques, we compared four popular stemmers, and we made simple removing stop pattern techniques for TREC queries. For the ad hoc task, and small web track, we used the same techiniques. We experimented with area weighting, co-occurence boosting, bi-gram utlization,...