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...they are valid. a useful computation over such streaming data sets is to produce a continuous and valid skyline summary. to the best of...introduce an operator called the continuous time-interval skyline operator for evaluating this computation. we also present a new...
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...data is to produce,a continuous,and valid skyline sum- mary. previous work on skyline algorithms have only focused on evaluating skylines over static data sets, and...this paper, we introduce the continuous time-interval skyline operator, which continuously computes the current skyline over a data stream. we...
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...address the problem of maintaining continuous skyline queries efficiently over dynamic objects with d dimensions. skyline queries are an important new...the esc al- gorithm, an efficient update approach for skyline computations, which creates a pre-computed second skyline set that facilitates an efficient and incremental skyline update strategy and results in...
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...user response times or when continuous skyline queries need to be maintained efficiently over a set of objects...designed the esc algorithm, an efficient update approach for skyline computations. esc creates a pre-computed candidate skyline set behind the first skyline (a "second line of defense...
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...propose a bitmap approach for efficient subspace skyline computation in a distributed setting. our approach computes extended skylines which have been shown to include all points necessary for computing the skyline at any subspace. we present an algorithm for computing ex- tended skylines using a bitmap representation along...
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...users, however, the need for continuous skyline query processing has become more pressing. a continuous skyline query involves not only static...the problem and propose a continuous skyline query processing strategy for moving query points. first, we distinguish the data points that are permanently in the skyline and use them to derive...
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...current skyline evaluation techniques follow a common paradigm that eliminates data elements from skyline consideration by find- ing other...from low-cardinality domains. ls continues to apply even if one attribute has high cardinality. many skyline applications naturally have such data characteristics, and previous skyline methods have not exploited this...
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...many related works have processed skyline on static data or on moving objects in euclidean space. however, this paper assumes that query points of skyline continuously move in road network. we propose a new method that processes continuous skyline in road network. this method processes a continuous skyline through pre-computed shortest range data of targets...
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...this paper focuses on the continuous skyline computation on moving data with an...and velocities of the initial skyline points with respect to the query, to derive a search region for skyline candidates. after retrieving these candidates...
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...we consider the continuous skyline computation in a new scenario named...developed and analyzed, which can continuous compute the change of skyline caused by update messages; then...