… 1 Overview The TREC Web Track explores and evaluates Web retrieval technologies.
Currently, the Web Track conducts experiments using the new billion-page ClueWeb09 collection1…

… 1 Introduction The TREC Web Track explores and evaluates Web retrieval technology
over large collections of Web data. In its current incarnation, the …

… We summarize our findings and outline future plans in Section 4. … Here, we briefly review
the various types of interventions in the retrieval process that groups resorted to in their manual …

… (similar to those defined in the Web track’s diversity task [4]). … Furthermore, unlike the 2010
track evaluation, we did not apply … diversity measures such as those used by the Web track. …

… In 2011, the track worked with two corpora: the ClueWeb 2009 web corpus and the new …
Motivated by observations from the 2010 Entity track, we made the following changes in the track …

… running since the inception of the track, we introduced a new … Although this overview covers
both tasks, more emphasis is … We refer the reader to previous track overview papers [8, 12, …

… Abstract TREC 2010 was the fifth year of the Legal Track, which focuses on evaluation of
search technology for discovery of electronically stored information in litigation and regulatory …

… Following last year’s RTS evaluation and the TREC 2015 Microblog Track before that, we
adopted the “standard” TREC ad hoc topic format of “title”, “description”, and “narrative” for the …

… We thank the following contributors to TREC DD Track in crawling the data: Diffeo, Giant
Oak, … We also thank the joint development efforts from the TREC 2015 Total Recall Track. …

… identified the submitting site. In this section, we briefly review the techniques used by
each site; additional details can be found in the papers posted on the TREC Web site (http://trec.nist.…