Výsledky vyhledávání - Distributed Top-K Query Processing

Distributed top-k query processing by exploiting skyline summaries Autor Vlachou, Akrivi, Doulkeridis, Christos, Nørvåg, Kjetil

“…Recently, a trend has been observed towards supporting rank-aware query operators, such as top- k , that enable users to retrieve only a limited set of the most interesting data objects…”
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Uncertain top-k query processing in distributed environments Autor Wang, Xite, Shen, Derong, Yu, Ge

“…The top- k query on uncertain data set has been a very hot topic these years, and there have been many studies on uncertain top- k queries…”
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Space Filling Approach for Distributed Processing of Top-k Dominating Queries Autor Amagata, Daichi, Hara, Takahiro, Onizuka, Makoto

“… These motivate us to address the problem of distributed top-k dominating query processing. We propose an efficient decentralized algorithm that exploits virtual points and returns the exact answer…”
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Sliding window top-k dominating query processing over distributed data streams Autor Amagata, Daichi, Hara, Takahiro, Nishio, Shojiro

“…Preference query processing is important for a wide range of applications involving distributed databases, such as network monitoring, web-based systems, and market analysis…”
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Distributed Processing of Probabilistic Top-k Queries in Wireless Sensor Networks Autor Mao Ye, Wang-Chien Lee, Dik Lun Lee, Xingjie Liu

“…In this paper, we introduce the notion of sufficient set and necessary set for distributed processing of probabilistic top-k queries in cluster-based wireless sensor networks…”
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Parallel and Distributed Processing of Reverse Top-k Queries Autor Nikitopoulos, Panagiotis, Sfyris, Georgios A., Vlachou, Akrivi, Doulkeridis, Christos, Telelis, Orestis

“…In this paper, we address the problem of processing reverse top-k queries in a parallel and distributed setting…”
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Efficient Processing of Distributed Top-k Queries Autor Yu, Hailing, Li, Hua-Gang, Wu, Ping, Agrawal, Divyakant, El Abbadi, Amr

“…Ranking-aware queries, or top-k queries, have received much attention recently in various contexts such as web, multimedia retrieval, relational databases, and distributed systems…”
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Finding the K highest-ranked answers in a distributed network Autor Zeinalipour-Yazti, Demetrios, Vagena, Zografoula, Kalogeraki, Vana, Gunopulos, Dimitrios, Tsotras, Vassilis J., Vlachos, Michail, Koudas, Nick, Srivastava, Divesh

“…In this paper, we present an algorithm for finding the k highest-ranked (or Top- k) answers in a distributed network…”
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Efficient processing of top-k dominating queries in distributed environments Autor Amagata, Daichi, Sasaki, Yuya, Hara, Takahiro, Nishio, Shojiro

“… Although efficient algorithms for top-k dominating queries have been studied over centralized databases, there are no studies which deal with top-k dominating queries in distributed environments…”
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Probabilistic Top-k query processing in distributed sensor networks Autor Mao Ye, Xingjie Liu, Wang-Chien Lee, Dik Lun Lee

“…In this paper, we propose the notion of sufficient set for distributed processing of probabilistic Top-k queries in cluster-based wireless sensor networks…”
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Distributed Top-K Query Processing in Wireless Sensor Networks Autor Zeinalipour-Yazti, D., Vagena, Z.

“…) answers quickly and efficiently A Top-K query returns the subset of most relevant answers, in place of all answers, for two reasons…”
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Pruning techniques for parallel processing of reverse top-k queries Autor Nikitopoulos, Panagiotis, Sfyris, Georgios A., Vlachou, Akrivi, Doulkeridis, Christos, Telelis, Orestis

“…In this paper, we address the problem of processing reverse top- k queries in a parallel setting…”
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Adaptive Distributed Top-k Query Processing Autor Dabringer, Claus, Eder, Johann

“…ADiT is an adaptive approach for processing distributed top-\(k\) queries over peer-to-peer networks optimizing both system load and query response time…”
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Efficient Multidimensional Top- k Query Processing in Wireless Multihop Networks Autor Nishio, Shojiro, Hara, Takahiro, Sasaki, Yuya, Amagata, Daichi

“… Therefore, we address the above problem and propose a top- k query processing method in wireless multihop networks, called ClusTo…”
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Subscription-based data aggregation techniques for top-k monitoring queries Autor Udomlamlert, Kamalas, Hara, Takahiro, Nishio, Shojiro

“…With the increase of data generation in distributed fashions such as peer-to-peer systems and sensor networks, top- k query processing which is a way to aggregate only a small set of data…”
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Efficient top-(k,l) range query processing for uncertain data based on multicore architectures Autor Xiao, Guoqing, Li, Kenli, Li, Keqin, Zhou, Xu

“… In this paper, we first elaborate a new and important query in the context of an uncertain database, namely uncertain top-( k , l ) range (UTR…”
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Top k query processing in distributed database Autor Tamrakar, Amrita

“… We research on efficient querying to these distributed databases to get top k elements matching the ranking order provided by the user…”
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Verifiable Top- k Query Processing in Tiered Mobile Sensor Networks Autor Liu, Fangju, Ma, Xingpo, Liang, Junbin, Lin, Mugang

“…Verifiable top- k query processing in tiered sensor networks, which refers to verifying the authenticity and the completeness of top- k query results received by the network owner in tiered sensor…”
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A General Framework for Efficient Continuous Multidimensional Top-k Query Processing in Sensor Networks Autor Jiang, Hongbo, Cheng, Jie, Wang, Dan, Wang, Chonggang, Tan, Guang

“…Top-k query has long been a crucial problem in multiple fields of computer science, such as data processing and information retrieval…”
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Progressive distributed top-k retrieval in peer-to-peer networks Autor Balke, W.-T., Nejdl, W., Siberski, W., Thaden, U.

“… In this paper we discuss the benefits of best match/top-k queries in the context of distributed peer-to-peer information infrastructures and show how to extend the limited query processing in current…”
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