DATA

NTCIR-6 Test Collections: Documents

The following documents collections are used for the 6th NTCIR Workshop. They are available for the participating research groups free of charge for the task participation and system evaluation within the 6th NTCIR Workshop. To obtain the data, the signed user agreement forms must be submitted to the NTCIR Project Office at the NII.

task	test collection	documents
		genre	language	file name	number of documents (size)	year
CLIR	NTCIR-3 CLIRNTCIR-4 CLIR	news articles	Chinese (traditional)	CIRB020 <*> (United Daily News)	249,508	1998-1999
				CIRB011 (China Times, China Times Express, Commercial Times, China Daily News, Central and daily News)	132,173
			Korean	Hankookilbo<*>	149,498
				Chosunilbo<*>	104,517
			Japanese	Mainichi	220,078
				Yomiuri<*>	375,980
	NTCIR-5 CLIR, NTCIR-6 CLIR	news articles	Chinese (traditional)	CIRB040( United Daily News, United Express, Ming Hseng News, Economic Daily News)	901,446	2000-2001
			Korean	Hankokookilbo	85,250
				Chosunilbo	135,124
			Japanese	Mainichi	199,681
				Yomiuri	658,719
CLQA	NTCIR-5 CLQA, NTCIR-6 CLQA	news articles	Chinese (traditional)	CIRB040	901,446	2000-2001
			Japanese	Yomiuri	658,719
			English	Daily Yomiuri	17,741
	NTCIR-6 CLQA		Korean?	under consideration
PATENT	NTCIR-3 PATENT<+> separate user agreement form is needed	patent full	Japanese	Publication of unexamined patent applications	697,262 (18,139MB)	1998-1999
		patent abstract	Japanese	Patent Abstracts (J-sho)	1,706,154 (1,883MB)	1995-1999
		patent abstract	English	Patent Abstracts of Japan (PAJ)	1,701,339 (2,711MB)
	NTCIR-4 PATENT<+>, NTCIR-5 PATENT<+> separate user agreement form is needed	patent full	Japanese	Publication of unexamined patent applications	3,496,252 ( 94.5GB )	1993-2002
		patent abstract	English	Patent Abstracts of Japan (PAJ)	3,496,252 ( 5,482MB )
	NTCIR-6	patent full	English	USPTO Patent
QAC	NTCIR-3 QA, NTCIR-4 QA	news articles	Japanese	Mainichi	220,078	1998-1999
				Yomiuri<*>	375,980
	NTCIR-5 QA, NTCIR-6 QA	news articles	Japanese	Mainichi	199,681	2000-2001
				Yomiuri	658,719

1: For the details of the task data (topics and relevance judgments, questions and answers, summaries, etc), please consult the CFPs of each task.

2: For the column for NTCIR-3 and -4, <*> marked data was not included for NTCIR-3 and used only NTCIR-4.

3: For the data with <+>, the separate user agreement forms for research purpose use are needed. Please consult NTCIR Data Home

4: Please notice that the document collections shall be used for the purpose of accomplishing tasks set out in the NTCIR Workshop 6 and for the purpose of research related to the tasks. The documents can not be used for "information purpose".

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