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The collection consists of Document data (Japanese patent applications 1993-1997 and Patent Abstracts of Japan 1993-1997), 101 Japanese search topics (34 topics were translated into English, Simplified and Traditional Chinese, and Korean, respectively), and Relevance judgments for each search topic. Japanese patent applications published in 1993-1997 are used for the Retrieval task. For the Patent Abstracts(paj), "NTCIR-4/5 PATENT Supplement:Patent Abstract Japan," a DVD containing abstracts published in 1993-2002 will be provided. Each search topic is a claim extracted from Japanese patent applications. Relevant documents for a search topic are the patents that can invalidate the demand in the topic claim. The entire collection is provided by NII for research purposes.
|Genre||Filename||Lang.||Year||# of docs||Size||Topic/||Relevance
|NTCIR-4 PATENT||IR||patent full-text||kkh||J||1993-1997||3,496,252||94.5GB||CtCsKJE||101||
＊The entire collection is provided by NII.
The followings are the procedures to obtain the test collection. The test collection and data available from NII are free of charge.
NTCIR Project (Rm.1309)
National Institute of Informatics
2-1-2 Hitotsubashi Chiyoda-ku, Tokyo
The release of the new test collections and correction information shall be announced through the ntcir Mailing list
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 .