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A Formal Design of Web Community Interactivity
Web Communities (WCs) are emerging as business enablers in the electronic marketplace. As the size of the community becomes increasingly large, there...
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Mining Invisible Tasks from Event Logs
Most existing process mining algorithms have problems in dealing with invisible tasks. In this paper, a new process mining algorithm named α...
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Improvements of HITS Algorithms for Spam Links
The HITS algorithm proposed by Kleinberg is one of the representative methods of scoring Web pages by using hyperlinks. In the days when the...
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Context-Aware Search Inside e-Learning Materials Using Textbook Ontologies
One of the main problems of delivering online course materials to learners lies in a deficiency of search capability. We propose a method for...
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Concept-Based Query Transformation Based on Semantic Centrality in Semantic Peer-to-Peer Environment
Query transformation is a serious hurdle on semantic peer-to-peer environment. The problem is that the transformed queries might lose some...
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Attributes Reduction Based on GA-CFS Method
The selection and evaluation task of attributes is of great importance for knowledge-based systems. It is also a critical factor affecting systems’...
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Homomorphism Resolving of XPath Trees Based on Automata
As a query language for navigating XML trees and selecting a set of element nodes, XPath is ubiquitous in XML applications. One important issue of...
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Static Verification of Access Control Model for AXML Documents
Reasoning about the access control model for AXML documents is a non-trivial topic because of its own challenging issues: the hierarchical nature of...
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SAM: An Efficient Algorithm for F&B-Index Construction
Using index to process structural queries on XML data is a natural way. F&B-Index has been proven to be the smallest index which covers all branching...
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A Type-Based Analysis for Verifying Web Application
Web applications have become standard for several areas, however, they tend to be poorly structured and do not have strongly-typed support. In this...
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BUXMiner: An Efficient Bottom-Up Approach to Mining XML Query Patterns
Discovery of frequent XML query patterns in the history log of XML queries can be used to expedite XML query processing, as the answers to these...
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A Dynamically Adjustable Rule Engine for Agile Business Computing Environments
Most agile applications have to deal with dynamic change of processes of automatic business policies, procedures, and logics. As a solution for the...
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Novel NonGaussianity Measure Based BSS Algorithm for Dependent Signals
The purpose of this paper is to develop novel Blind Source Separation (BSS) algorithms from linear mixtures of them, which enable to separate...
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Improved Prediction of Protein Secondary Structures Using Adaptively Weighted Profiles
Prediction of protein secondary structures from amino acid sequences is a useful intermediate step for further elucidation of native,...
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Mining Time-Shifting Co-regulation Patterns from Gene Expression Data
Previous work for finding patterns only focuses on grou** objects under the same subset of dimensions. Thus, an important bio-interesting pattern,...
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Generation and Matching of Ontology Data for the Semantic Web in a Peer-to-Peer Framework
The abundance of ontology data is very crucial to the emerging semantic web. This paper proposes a framework that supports the generation of ontology...
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An Exhaustive and Edge-Removal Algorithm to Find Cores in Implicit Communities
Web community is intensely studied in web resource discovery. Many literatures use core as the signature of a community. A core is a complete...
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Hyperclique Pattern Based Off-Topic Detection
This paper addresses the problem of detecting access to off-topic documents by exploiting user profiles. Existing methods usually store a few...
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A Survey of Job Scheduling in Grids
The problem of optimally scheduling tasks onto heterogeneous resources in grids, minimizing the makespan of these tasks, has proved to be...
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Efficient Processing of Relational Queries with Sum Constraints
In this paper, we consider relational queries involving one or more constraints over the sum of multiple attributes (sum constraint queries). We...