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Abstract Approximating Aggregation Queries in Peer-to-Peer ...

Abstract Peer-to-peer databases are becoming prevalent on the Internet for distribution and sharing of documents, applications, and other digital media. The problem of answering large scale, ad-hoc analysis queries – e.g., aggregation queries – on these databases poses unique challenges. Exact solutions can be time consuming and

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aggregate query processing in peer to peer networks

abstract for aggregate query processing in peer to p Continuous Quantile Query Processing in Wireless Sensor Networks Peer Kröger1 and Hans-Peter Kriegel1 1Institute for , ABSTRACT A major concern when processing queries within a wireless , ergy consumption of such types of aggregate queries in a , min, max, top-k queries and the quantile ...

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Aggregate Queries in Peer-to-Peer OLAP

Aggregate Queries in Peer-to-Peer OLAP Mauricio Minuto Espil Pontificia Universidad Catolica Argentina [email protected] Alejandro A. Vaisman Universidad de Buenos Aires [email protected] ABSTRACT A peer-to-peer (P2P) data management system consists es-sentially of a network of peer systems, each maintaining full autonomy over its own data ...

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Range of Query Processing in Peer to Peer Networks ...

高达10%返现  Abstract. Peer to peer databases are becoming prevalent on the Internet for distribution and sharing of documents, applications, and other digital media. The problem of answering large-scale ad hoc analysis queries, such as aggregation queries,

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CiteSeerX — TECHNOLOGY Aggregate Query Processing using ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Peer-to-peer (P2P) network is increasingly becoming popular because it offers oppor¬tunities for real-time communication, ad-hoc collaboration and information sharing in a large-scale distributed environment. Peer-to-peer computing is defined as the sharing of computer resources and information through direct ...

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Efficient Approximate Query Processing in P2P Network

ABSTRACT Peer-to-peer (P2P) databases are becoming prevalent on the Internet for distribution and sharing of documents, applications, and other digital media. The problem of answering large-scale ad hoc analysis queries, for example, aggregation queries, on these databases poses unique challenges.

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Query Processing In Peer To Peer Network Project Source ...

Apr 08, 2012  Query processing in peer to peer network project is a cse project which is implemented in visual studio C#.Net platform. This project explains about finding our sum, average, minimum and maximum count and aggregate in query processing. Peer to peer database has become one of the biggest sources for uploading downloading of images videos and ...

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(PDF) Aggregate Query Processing using Random walk ...

[Ganwani, 2(5): May, 2013] ISSN: 2277-9655 IJESRT INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES RESEARCH TECHNOLOGY Aggregate Query Processing using Random walk approach in Dynamic Environment Vinod S. Gangwani*1, Prof. P. L. Ramteke2 *1 Department of Computer Science Engineering H.V.P.M’s COET, SGBAU, Amravati (MH), India 2 Department of Information Technology H.V.P

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Fixed-precision approximate continuous aggregate queries ...

Abstract In this paper, we propose an efficient sample-based approach to answer fixed-precision approximate continuous aggregate queries in peer-to-peer databases. First, we define practical semantics to formulate fixed-precision approximate

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Aggregate-Query Processing in Data Warehousing

Aggregate-Query Processing in Data Warehousing Environments* Ashish Gupta Venky Harinarayan Dallan Quass IBM Almaden Research Center Abstract In this paper we introduce generalized pro- jections (GPs), an extension of duplicate- eliminating projections, that capture aggre- gations, groupbys, duplicate-eliminating pro-

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Efficient Approximate Query Processing in P2P Network

ABSTRACT Peer-to-peer (P2P) databases are becoming prevalent on the Internet for distribution and sharing of documents, applications, and other digital media. The problem of answering large-scale ad hoc analysis queries, for example, aggregation queries, on these databases poses unique challenges.

More

Query Processing In Peer To Peer Network Project Source ...

Apr 08, 2012  Query processing in peer to peer network project is a cse project which is implemented in visual studio C#.Net platform. This project explains about finding our sum, average, minimum and maximum count and aggregate in query processing. Peer to peer database has become one of the biggest sources for uploading downloading of images videos and ...

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Optimizing Aggregate Query Processing in Cloud Data ...

Sep 02, 2014  Abstract. In this paper, we study and optimize the aggregate query processing in a highly distributed Cloud Data Warehouse, where each database stores a subset of relational data in a star-schema. Existing aggregate query processing algorithms focus on optimizing various query operations but give less importance to communication cost overhead ...

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IJCSE Abstract

May 15, 2021  Hence, Approximate Query Processing Techniques (AQPTs) are an attractive option. AQPT are ideally suited for executing aggregate queries, where the AQPT provides approximate results with attractive computational efficiency. Recently in the literature, AQPT was presented to execute simple non-join aggregate queries on Big Data.

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Scalable Distributed Aggregate Computations through ...

Abstract. Computing aggregates over distributed data sets constitutes an interesting class of distributed queries. Recent advances in peer-to-peer discovery of data sources and query processing techniques have made such queries feasible and potentially more frequent. The concurrent execution of

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Optimizing in-network aggregate queries in wireless sensor ...

Abstract. This study proposes a method of in-network aggregate query processing to reduce the number of messages incurred in a wireless sensor network. When aggregate queries are issued to the resource-constrained wireless sensor network, it is important to efficiently perform these queries. Given a set of multiple aggregate queries, the ...

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Towards OLAP query reformulation in peer-to-peer data ...

Home Conferences CIKM Proceedings DOLAP '10 Towards OLAP query reformulation in peer-to-peer data warehousing. research-article . Towards OLAP query reformulation in peer-to-peer data warehousing. Share on.

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Aggregate-join query processing in parallel database ...

Queries containing aggregate functions often combine multiple tables through join operations. We call these queries "aggregate-join" queries. In parallel processing of such queries, it must be decided which attribute to be used as a partitioning attribute, particularly join attribute or group-by attribute.

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Sliding-Window Probabilistic Threshold Aggregate Queries ...

Abstract. Uncertain data streams are ubiquitous in many sensing and networking environments. Probabilistic aggregate query that returns a probability distribution to denote possible answers is extensively used on such streams. In many monitoring applications, it is only necessary to know whether the result distribution exceeds user-defined ...

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E–cient Range and Join Query Processing in Massively ...

Abstract Peer-to-peer (P2P) has become a modern distributed computing architecture that supports massively large- ... of massively distributed large-scale peer-to-peer (P2P) query processing. Many research papers, ... was originally created to support aggregate query, but by deploying range-based indexes, it can be used to support range query ...

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IEEE TRANSACTIONS ON KNOWLEDGE AND DATA

Abstract—Peer-to-peer (P2P) databases are becoming prevalent on the Internet for distribution and sharing of documents, applications, and other digital media. The problem of answering large-scale ad hoc analysis queries, for example, aggregation queries, on these databases poses unique challenges.

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IJESRT

Aggregate Query Processing using Random walk approach in Dynamic Environment Vinod S. Gangwani *1, Prof. P. L. Ramteke 2 *1 Department of Computer Science Engineering H.V.P.M’s COET, SGBAU, Amravati (MH), India 2Department of Information Technology H.V.P.M’s COET, SGBAU, Amravati (MH), India [email protected] Abstract

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Fixed-precision approximate continuous aggregate queries ...

Abstract In this paper, we propose an efficient sample-based approach to answer fixed-precision approximate continuous aggregate queries in peer-to-peer databases. First, we define practical semantics to formulate fixed-precision approximate

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E–cient Range and Join Query Processing in Massively ...

Abstract Peer-to-peer (P2P) has become a modern distributed computing architecture that supports massively large- ... of massively distributed large-scale peer-to-peer (P2P) query processing. Many research papers, ... was originally created to support aggregate query, but by deploying range-based indexes, it can be used to support range query ...

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NSF Award Search: Award # 0448264 - CAREER: New ...

ABSTRACT One of the two goals of the project is to advance the state-of-the art in approximate query processing (AQP), a critical component of analytical processing -- a 3.5 billion dollar segment of the software industry. ... extensions of data-stream algorithms to distributed algorithms that can efficiently query sensor and peer-to-peer ...

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On Efficient Aggregate Nearest Neighbor Query Processing ...

Abstract. An aggregate nearest neighbor (ANN) query returns a point of interest (POI) that minimizes an aggregate function for multiple query points. In this paper, we propose an efficient approach to tackle ANN queries in road networks. Our approach consists of two phases: searching phase and pruning phase. In particular, we first continuously ...

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Scalable Distributed Aggregate Computations through ...

Abstract. Computing aggregates over distributed data sets constitutes an interesting class of distributed queries. Recent advances in peer-to-peer discovery of data sources and query processing techniques have made such queries feasible and potentially more frequent. The concurrent execution of

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On Efficient Aggregate Nearest Neighbor Query Processing ...

On Efficient Aggregate Nearest Neighbor Query Processing in Road Networks W.-W. Sun, C.-N. Chen, L. Zhu, Y.-J. Gao, Y.-N. Jing, Qing Li Research output : Journal article publication › Journal article › Academic research › peer-review

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OLAP query reformulation in peer-to-peer data warehousing ...

Jul 01, 2012  When the peer is processing a query that was formulated on some other peer p, the data handler just collects local query results from the OLAP adapter and returns them to p. 4. OLAP adapter. This component adapts queries received from the query handler to the querying interface exposed by the local multidimensional engine. 5. Multidimensional ...

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Unified Framework for Flexible and Efficient Top-k ...

Keywords: Top-k Query Processing, Ranked Retrieval, Peer-to-Peer, Content Distribution Networks, Multimedia Technical Areas: Data Management, Peer-to-Peer Corresponding Author: [email protected] 1. INTRODUCTION Peer-to-peer systems are becoming a common architecture for sharing large amounts of data [5, 6, 7]. Applications

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Aggregate nearest neighbor queries in road networks — The ...

Aggregate nearest neighbor queries return the object that minimizes an aggregate distance function with respect to a set of query points. Consider, for example, several users at specific locations (query points) that want to find the restaurant (data point), which leads to the minimum sum of distances that they have to travel in order to meet.

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Aggregate Learning for Mixed Frequency Data - Abstract ...

May 20, 2021  Aggregate Learning for Mixed Frequency Data ... Alternative data such as search query and location data are closer to real-time and richer than official statistics that are typically released once a month in an aggregated form. We take advantage of spatio-temporal granularity of alternative data and propose a mixed-FrequencyAggregate Learning ...

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Evaluation of top-k OLAP queries using aggregate R-trees ...

In this paper, we study the integration of the top-κ operator with the aggregate query processing module. For this, we make use of spatial indexes, augmented with aggregate information, like the aggregate R-tree. We device a branch-and-bound algorithm that accesses a minimal number of tree nodes in order to compute the top-κ groups.

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Aggregate Query Processing Definition

Clustering spatial networks for aggregate query processing: . in the original problem definition given in Section 2.1.3, the number K of parts is not known in advance. Thus, they use a partitioning algorithm based on RB with ratio-cut heuristic in order to create a number of parts, each with a size less than or equal to the disk page size .

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(PDF) A query processing architecture for sensor networks ...

A Query Processing Architecture for Sensor Networks Mehmet R. Eskicioglu, Sayed Ahmed, and Sajid Hussain Department of Computer Science University of Manitoba, Canada rasit, sayed, sajid @cs.umanitoba.ca Abstract— Although advances in sensor node hardware, which sensor networks are recently receiving a great deal of attention comprises sensors, embedded processors, and

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Evaluated and Suggested Range aggregate query ... - CORE

Abstract. Abstract- Individual computers provide opportunities for tremendous productivity gains, but they become many times more powerful when theyapos;re connected to one another forming a peer to peer network that gives them the ability to share data and processing resources.

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