[JAPANESE] [NTCIR Home] [NTCIR DATA Home]
The collection consists of
* Document data(the Mainichi News Paper articles 1998-1999 and the Yomiuri
News Paper articles 1998-1999)
* Q&A
data set(There are 650 original queries in Japanese and a translated data in
English) and answers
* a
scoring tool
Researchers can get the date set which includes the Q&A
data set and a scoring tool from NII.
Collection | Task | Documents | Task data | |||||||
Genre | Filename | Lang | Year | # of docs | Size | Topic/ Relevanc | judge | |||
Lang. | # | |||||||||
NTCIR-4 QA |
QAC2 |
News Paper articles |
ntc4-j01-mai98.txt |
J |
1998 |
about120000 |
about135Mb |
J |
queries |
2 (3) |
ntc4-j01-mai99.txt |
1999 |
about110000 |
about143Mb |
|||||||
ntc4-j01-yomi98.txt |
1998 |
about130000 |
about183Mb |
|||||||
ntc4-j01-yomi99.txt |
1999 |
about240000 |
about312Mb |
* archers can get the date set which includes the Q&A data set and
a scoring tool from NII.But you should obatain the document data as follow.
Two kinds of document data should be used as follow: Please refer to the page" How to obtain Newspaper Article Data"
Japanese news articles published in Japan in the years of 1998-1999. It
contains the document records extracted from Mainichi Newspaper Full-Text Article Database CD-ROMs (currently information is available in Japanese only). It is available
for research purpose use from Mainichi Newspaper Co. and the document records in the CD-ROMs shall be converted into the NTCIR
standard record format by the script mai2.pl, or You can also obtain mai2sgml from
http://lr-www.pi.titech.ac.jp/tsc/tsctools/index-jp.html(We
thank Dr. Sekine for making this program and allowing us to use it.).
Task
Task definition of QAC-2 is based on the task definition of QAC-1(We have three kinds of QAC tasks). An overview of task description will be presented as follows:
Task 2 (List type) uses the different set of questions. In QAC-1, the same set of questions is used for Task 1 and Task 2.
In Task 3, there are several follow-up questions. In QAC-1, there is only one follow-up question.
Target Documents will increase.
There will be ellipsis in tail expression of question sentences.
Answer expression will be a part of a document.
Document ID will be required as support information for each question.
We are planning to propose the other task as trial ones. The detail will be released later.
The Question File consists of lines with the following format.
[QID]: "[QUESTION]"<CR>
[QID] has a form of [QuestionSetID]-[QuestionNo]-[SubQuestionNo].
[QuestionSetID] consists of four alphanumeric characters.
[QuestionNo] and [SubQuestionNo] consists of four and two numeric characters, respectively.
[QUESTION] is a series of two byte characters.
"、" and "。" are
used for punctuation marks.
"?" is not
used.
The Answer File consists of lines with the following format (so called CSV format).
The test collection has been constructed and used for the NTCIR. They are usable only for the research purpose use.
The documents collection included in the test collection were provided
to NII for used in NTCIR free of charge or for a fee. The providers of
the document data kindly understand the importance of the test collection
in the research on information access technologies and then granted the
use of the data for research purpose. Please remember that the document
data in the NTCIR test collection is copyrighted and has commercial value
as data. It is important for our continued reliable and good relationship
with the data producers/providers that we researchers must behave as a
reliable partners and use the data only for research purpose under the
user agreement and use them carefully not to violate any rights for them
.
The followings are the procedures to obtain this QAC3 test collection. The test collection and data available from NII are free of charge.
Reference
NTCIR Project (Rm.1309)
National Institute of Informatics
2-1-2 Hitotsubashi Chiyoda-ku, Tokyo
102-8430, JAPAN
PHONE: +81-3-4212-2750
FAX: +81-3-4212-2751
Email: ntc-secretariat
The release of the new test collections and correction information shall be announced through the ntcir Mailing list