91 Result(s)
within
Computer Science
Information Systems Applications (incl. Internet)
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Article
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Article
The human-computer dialogue management of FCAD system
This paper describes the dialogue management of FCAD’s user interface through introducing FCAD’s data-driven user interface model which eases the creation, modification, analyzing, and testing of it.
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A non-blocking locking method and performance evaluation on network of workstations
A network of workstation (NOW) can act as a single and scalable powerful computer by building a parallel and distributed computing platform on top of it. WAKASHI is such a platform system that supports persist...
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Performance evaluation of a parallel cascade semijoin algorithm for computing path expressions in object database systems
With the emerging of new applications, especially in Web, such as E-Commerce, Digital Library and DNA Bank, object database systems show their stronger functions than other kinds of database systems due to the...
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Managing very large document collections using semantics
In this paper, a system is presented where documents are no longer identified by their file names. Instead, a document is represented by its semantics in terms ofdescriptor andcontent vector. Thedescriptor of a d...
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RPE query processing and optimization techniques for XML databases
Anextent join to compute path expressions containing parent-children and ancestor-descendent operations and two path expression optimization rules,path-shortening andpath-complementing, are presented in this pape...
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An Improved Algorithm for Finding the Closest Pair of Points
As early as in 1975, Shamos and Hoey first gave an O(n lg n)-time divide-and-conquer algorithm (SH algorithm in short) for the problem of finding the closest pair of points. In one process of combination, the Euc...
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Parallel Error Detection for Leading Zero Anticipation
The algorithm and its implementation of the leading zero anticipation (LZA) are very vital for the performance of a high-speed floating-point adder in today’s state of art microprocessor design. Unfortunately,...
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Continually Answering Constraint k-NN Queries in Unstructured P2P Systems
We consider the problem of efficiently computing distributed geographical k-NN queries in an unstructured peer-to-peer (P2P) system, in which each peer is managed by an individual organization and can only commun...
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Holistically Stream-based Processing Xtwig Queries
Unlike a twig query, an Xtwig query contains some selection predicates with reverse axes which are either ancestor or parent. To evaluate such queries in the stream-based context, some rewriting rules have been p...
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Summarizing Vocabularies in the Global Semantic Web
In the Semantic Web, vocabularies are defined and shared among knowledge workers to describe linked data for scientific, industrial or daily life usage. With the rapid growth of online vocabularies, there is a...
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Combining Local Scoring and Global Aggregation to Rank Entities for Deep Web Queries
With the rapid growth of Web databases, it is necessary to extract and integrate large-scale data available in Deep Web automatically. But current Web search engines conduct page-level ranking, which are becom...
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Outlier Detection over Sliding Windows for Probabilistic Data Streams
Outlier detection is a very useful technique in many applications, where data is generally uncertain and could be described using probability. While having been studied intensively in the field of deterministi...
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Dynamic Damage Recovery for Web Databases
In the web context, there is an urgent need for a self-healing database system which has the ability to automatically locate and undo a set of transactions that are corrupted by malicious attacks. The metrics ...
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Extracting common emotions from blogs based on fine-grained sentiment clustering
Recently, blogs have emerged as the major platform for people to express their feelings and sentiments in the age of Web 2.0. The common emotions, which reflect people’s collective and overall sentiments, are ...
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Aggressive Complex Event Processing with Confidence over Out-of-Order Streams
In recent years, there has been a growing need for complex event processing (CEP), ranging from supply chain management to security monitoring. In many scenarios events are generated in different sources but a...
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An Efficient Method for Cleaning Dirty-Events over Uncertain Data in WSNs
Event detection in wireless sensor networks (WSNs) has attracted much attention due to its importance in many applications. The erroneous abnormal data generated during event detection are prone to lead to fal...
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A Reprocessing Model for Complete Execution of RFID Access Operations on Tag Memory
This paper investigates the problem of inconsistent states of radio frequency identification (RFID) tag data caused by incomplete execution of read/write operations during access to RFID tag memory. Passive RF...
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Special issue: best papers of APWeb 2010
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Article
High-performance short sequence alignment with GPU acceleration
Sequence alignment is a fundamental task for computational genomics research. We develop G-Aligner, which adopts the GPU as a hardware accelerator to speed up the sequence alignment process. A leading CPU-base...
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Query Intent Disambiguation of Keyword-Based Semantic Entity Search in Dataspaces
Keyword query has attracted much research attention due to its simplicity and wide applications. The inherent ambiguity of keyword query is prone to unsatisfied query results. Moreover some existing techniques...
