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Applying Multiple Characteristics and Techniques to Obtain High Levels of Performance in Information Retrieval at NTCIR-4
2004
NTCIR Conference on Evaluation of Information Access Technologies
Our information retrieval system takes advantage of numerous characteristics of the information and applies numerous sophisticated techniques. Robertson's 2-Poisson model and Rocchio's formula, both of which are known to be effective, have been applied in the system. Characteristics of newspapers such as locational information were applied. We present our application of Fujita's method, where longer terms are used in retrieval by the system but de-emphasized relative to the emphasis on the
dblp:conf/ntcir/MurataMI04
fatcat:h5nrsla2w5arrh3bn2f2j2klje