Semantic Web and Web Science - download pdf or read online

By Xiaoli Ma, Bo Yuan (auth.), Juanzi Li, Guilin Qi, Dongyan Zhao, Wolfgang Nejdl, Hai-Tao Zheng (eds.)

ISBN-10: 1461468795

ISBN-13: 9781461468790

ISBN-10: 1461468809

ISBN-13: 9781461468806

The e-book will specialize in exploiting cutting-edge examine in semantic internet and internet technological know-how. The quickly evolving world wide web has ended in innovative adjustments within the entire of society. The learn and improvement of the semantic net covers a few international criteria of the internet and leading edge applied sciences, akin to: associated information, social semantic net, semantic internet seek, shrewdpermanent information integration, semantic net mining and internet scale computing. those lawsuits are from the sixth chinese language Semantics net Symposium.

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Wang and X. Zhang Crawling Update Strategy: According to the fact that Web pages updates satisfy Poisson distribution, we calculate the average update periods of Web pages in a website as its initial update period. Then we crawl a website periodically and adjust its crawling update period according to changes of Web pages. Conference Hub Websites: To compensate for limitations of academic conference websites’ lack of links between them, we maintain some conference hub websites, which contain a lot of academic conference list and corresponding external URLs.

The proposed approach only learns target concepts that are restricted EL concepts. We call such target concepts recommendatory restricted EL concepts. The most challenging problem of the proposed approach is how to efficiently learn target concepts. To tackle this problem we treat the problem of learning target concepts as the problem of maximal frequent itemset mining (MFI-mining) for which there exist a number of efficient methods. A recommendatory restricted EL concept is a maximal frequent conjunction of concept names or existential Proactive Recommendation Based on EL Concept Learning 45 restrictions, where a concept is said to be frequent if its instances include at least k marked items, the item being browsed, and at least one other unmarked item.

Route u 9reaches:HEMCNorthLocation/. Route u 9reaches:HEMCNorthLocation/, we can obtain all descendants of C . The following graph shows the relationship between C and all its descendants, where ˚i C1 ! C2 denotes that C2 is a child of C1 and is one-step obtained from C1 by applying ˚i . C / in terms of finding all concepts that are strictly more general than C . The soundness of this proposition is obvious, while the completeness follows from the fact that a concept that is more general than C can be obtained from the EL-description tree [6] of C by gradually deleting a label in a node or deleting an edge.

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Semantic Web and Web Science by Xiaoli Ma, Bo Yuan (auth.), Juanzi Li, Guilin Qi, Dongyan Zhao, Wolfgang Nejdl, Hai-Tao Zheng (eds.)


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