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Development and Evaluation of the WithAir Mobile Search Engine

By Hideki Kawai, Susumu Akamine, Koji Kida, Katsushi Matsuda and Toshikazu Fukushima

Abstract

This paper describes a novel search engine, WithAir that provides contents retrieval for i-mode, the most popular cell-phone service in Japan. WithAir allows users to complete typical search tasks with 4.4 keystrokes on average through keyword/purpose-predictive navigation. These two forms of navigation simplify, respectively, keyword input and search result output. WithAir has been used to search 1.3 million i-mode pages collected by document-type-based focused crawlers that can distinguish between i-mode pages and web pages with a precision of 99%. Additionally, WithAir offers fresh and exhaustive searching of 370,000 regional information pages extracted from 1.3 million i-mode pages with a precision of 93%

Topics: engine, WithAir, developed based on four design concepts, A) simplifying keyword input to reduce the cost of key operation, B) simplifying
Year: 2002
OAI identifier: oai:CiteSeerX.psu:10.1.1.18.8309
Provided by: CiteSeerX
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