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Download e-book for iPad: Advances in Web and Network Technologies and Information by Lei Chen, Chengfei Liu, Xiao Zhang, Shan Wang, Darijus

By Lei Chen, Chengfei Liu, Xiao Zhang, Shan Wang, Darijus Strasunskas, Stein L. Tomassen, Jinghai Rao, Wen-Syan Li, K. Selcuk Candan, Dickson K. W. Chiu, Yi Zhuang

ISBN-10: 3642039952

ISBN-13: 9783642039959

This quantity includes papers from 4 APWeb/WAIM 2009 workshops, that are 1. foreign Workshop on Web-based Contents administration applied sciences (WCMT 2009), 2. foreign Workshop on Real-Time company Intelligence (RTBI 2009), three. overseas Workshop on DataBase and data Retrieval and points in comparing Holistic caliber of Ontology-based details Retrieval (DBIR-ENQOIR 2009), in addition to four. foreign Workshop on technique conscious details structures (PAIS 2009. those 4 workshops have been chosen from a public call-for-proposals procedure. The workshop organizers have positioned a big volume of attempt into soliciting and choosing learn papers with a stability of top of the range and new principles and new purposes.

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Additional resources for Advances in Web and Network Technologies and Information Management: AP Web WAIM 2009 International Workshops: WCMT 2009, RTBI 2009, DBIR-ENQOIR 2009, ... Applications, incl. Internet Web, and HCI)

Example text

GenerateADM (Q, is_defined, need_init) Require: Q: the input query; is_defined: whether ADM has defined by user; need_init: whether ScaMMDB needs initialization. 1: if is_defined == TRUE then 2: return 3: else 4: if need_init == TRUE then 5: InitADM() /*traverse all tables, generate a initial ADM dist[N][N] for N attributes. dist[i][j] = 1 only if i z j , and if i = j, dist[i][j] = 0. = NULL do 10: Parse(Q) /*parse the query. 5 14: end for 15: end while 16: write dist[N][N] to disk 17: end if If ScaMMDB runs at the first time and no ADM is defined by user, a default initial ADM will be created.

Assume (x, y) represents the spacial position of a pixel in the current image. The corresponding luminance and chrominance components of the pixel are denoted by Y (x, y), Cb(x, y), and Cr(x, y), respectively. The FSM can be defined as FSM ( x, y ) = P1 ( x, y ) ⋅ P2 ( x, y ) ⋅ P3 ( x, y ) (4) where P1, P2, and P3 denote the “conspicuity maps” corresponding to the chrominance, position, and luminance components, respectively. Chrominance Conspicuity Map (CCM) P1: It is known that face region generally exhibits the skin-color feature.

Generally speaking, the system must experience a period of learning, accumulating attributes distance information, and then redistributing the data based on this information. That is because of the principle of 80/20. There is a serious “Skew” phenomenon when attributes are visited by queries in practical applications. That means some attributes are visited by every queries for several times, but some attributes never be visited by a query. So we accumulate the attribute affinity information based on executed queries in the learning period.

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Advances in Web and Network Technologies and Information Management: AP Web WAIM 2009 International Workshops: WCMT 2009, RTBI 2009, DBIR-ENQOIR 2009, ... Applications, incl. Internet Web, and HCI) by Lei Chen, Chengfei Liu, Xiao Zhang, Shan Wang, Darijus Strasunskas, Stein L. Tomassen, Jinghai Rao, Wen-Syan Li, K. Selcuk Candan, Dickson K. W. Chiu, Yi Zhuang


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