Download Active mining: new directions of data mining by Hiroshi Motoda PDF

By Hiroshi Motoda

The necessity for amassing suitable information resources, mining precious wisdom from diversified types of facts assets and quickly reacting to state of affairs switch is ever expanding. lively mining is a set of actions each one fixing part of this want, yet jointly attaining the mining goal throughout the spiral influence of those interleaving 3 steps. This booklet is a joint attempt from major and lively researchers in Japan with a subject matter approximately lively mining and a well timed document at the leading edge of knowledge assortment, user-centered mining and consumer interaction/reaction. It deals a modern review of contemporary ideas with real-world purposes, stocks hard-learned stories, and sheds gentle on destiny improvement of energetic mining.

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Extra resources for Active mining: new directions of data mining

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A few works on interactive relational learning has been done in information retrieval[7] Their system can learn rules to distinguish relevant documents from non-relevant ones by interactive relational learning and relevance feedback. Such an interactive approach is concerned with our approach, however the purpose is quite different. 1 PUM: partial updates monitoring in a Web page System overview Fig. 2 shows overview of PUM. PUM is a system that identifies a region indicated by a user in a Web page, checks updates in the region and notifies a user the updates which S.

Thus a user can easily understand rules and modify them. The another advantage of RIPPER is that it efficiently learns rules. For interactive system like PUM, fast learning is necessary. RIPPER is given training example's consisting of attributes and their values. It is able to deal with a nominal value, a set value and a continuous value5 as an attribute value1. At step 2a in procedures of the last subseeition, PUM generates twe> kinds of training examples for learning RI rules and UC rules. In the folk)wing, we explain representation of such training examples.

In such a case, if a current rule has some literals in its body, this algorithm eliminates all the literals in its body and restarts a rule making process. 4. 15). 12). The added keyword is selected from terms in positive training pages E+ by the following procedures. 1. Extract paragraphs from E+ using

tags. 2. Investigate a subset of the paragraphs including any word in a query, and the subset is called T. 3. Compute the importance for every word wi in T by the following equation. Importance of wi, = (average occurrence i n T ) x ( t h e number of texts in which w, occurs 4.

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