Towards efficient ranked query processing in peer-to-peer networks. Pages 145–160. Previous Chapter Next Chapter. ABSTRACT. P2P computing is gaining more and more attention from both academia and industrial communities for its potential to reconstruct current distributed applications on the Internet. However, the basic DHT-based P2P …
CONTINUOUS QUERY PROCESSING FOR MOBILE USERS, 1. ABSTRACT To overcome the lot ... 3. Aggregate Rules 4. Report Peer Lister:- ... approximate query processing here.
Volatility-aware query processing in peer-to-peer systems . 2010. Skip Abstract Section. Abstract. Peer-to-Peer (P2P) paradigm has been recognized as a disruptive technology that can aggregate enormous storage and processing resources for information sharing and distributed computing. This paradigm has received significant attention in both ...
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ABSTRACT This paper characterizes the query behavior of peers in a peer-to-peer (P2P) file sharing system. In contrast to previous work, which provides various aggregate workload statistics, we characterize peer behavior in a form that can be used for constructing representative synthetic workloads for evaluating new P2P system designs. In
Request PDF | Processing Queries in a Large Peer-to-Peer System | While current search engines seem to easily handle the size of the data available on the Internet, they cannot provide fresh results.
Abstract. In this paper, we outline our efficient sample-based approach to answer fixed-precision approximate continuous aggregate queries in peer-to-peer databases. We describe our approach in the context of Digest, a two-tier system we have developed for correct and efficient query answering by sampling. ... Database query processing and ...
Request PDF | Selectivity-based XML query processing in structured peer-to-peer networks | DHT-based structured P2P systems have been proposed to index and retrieve many types of contents ...
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 resources. Data exchange between peers occurs when one of them, in the role of a local peer, needs data available in other nodes, denoted the acquaintances of the local peer. No global schema ...
Aggregate Queries in PeertoPeer OLAP CORE A peertopeer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources Data exchange between peers occurs when one of them, in the role of a local peer, needs data available in other nodes, denoted the acquaintances of ...
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. …
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
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. Exact solutions can be time consuming and difficult …
A model for multidimensional data distributed in a P2P network, and a query rewriting technique, that allows a local peer to propagate OLAP queries among its acquaintances, obtaining a meaningful and correct answer. A peer-to-peer (P2P) data management system consists essentially in a network of peer systems, each maintaining full …
Abstract. The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. A …
Inter-business collaborative contexts prefigure a distributed scenario where companies organize and coordinate themselves to develop common and shared opportunities, but traditional business intelligence systems do not provide support to this end. To
In this paper, we propose PACA, a probably approximately correct aggregate query processing scheme, for answering aggregate queries in structured …
We propose the use of a peer-to-peer (P2P) architecture for addressing the problem of processing OLAP data in a distributed environment, in a way that all companies involved can maintain full ...
A peer-to-peer (P2P) data management system consists essentially in a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between peers occurs when one of them, in the role of a local peer, needs data available in other nodes, denoted the acquaintances of the local peer.
A peer-to-peer (P2P) data management system consists essentially in a network of peer systems, each maintaining full autonomy over its own data resources.
The main challenge in P2P approximate query processing is to select the optimal subset of peers to which the query is forwarded. However, the selection criteria for this subset are completely different for top-k and aggregate queries.While in top-k the goal is to identify the peers holding top objects, approximate aggregate querying algorithms …
In this paper, we present novel sampling-based techniques for approximate answering of ad hoc aggregation queries in such databases.
The problem of answering large scale, ad-hoc analysis queries ― e.g., aggregation queries ― on these databases poses unique challenges. Exact solutions …
As to this research issue, the work in [8] introduces range semantics as the semantics of aggregate queries in the context of inconsistent databases. Range semantics is a form of certain answers semantics for aggregate queries and it guarantees that, in every possible world, the value of the aggregate query will be in a given interval. Ref.
Abstract: Peer-to-peer (P2P) databases are most probably used nowadays on the Internet for distributing and sharing documents, applications, and other organizational data. ... The system is designed for the aggregate queries‟ processing over the different peer nodes within a network. The following
An adaptive two-phase sampling approach based on random walks of the P2P graph, as well as block-level sampling techniques for approximate answering of ad hoc aggregation queries in such databases are presented. Peer-to-peer (P2P) databases are becoming prevalent on the Internet for distribution and sharing of documents, …
Fixed-Precision Approximate Continuous Aggregate Queries in Peer-to-Peer Databases; Article . Free Access. Fixed-Precision Approximate Continuous Aggregate Queries in Peer-to-Peer Databases. Authors: Farnoush Banaei-Kashani. Department of Computer Science, University of Southern California, Los Angeles, CA 90089.
ABSTRACT Peer-to-peer (P2P) databases are becoming prevalent on the Internet for distribution and sharing of documents, applications, and other digital media. The …
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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Download Citation | Range of Query Processing in Peer to Peer Networks | Peer to peer databases are becoming prevalent on the Internet for distribution and sharing of documents, applications, and ...
In this paper, we outline our efficient sample-based approach to answer fixed-precision approximate continuous aggregate queries in peer-to-peer databases. We describe …
Using the peer-tree as a building block, we present a peer-to-peer query processing model where a query can be posed in any node of the network without the need of a central server.
Abstract —Peer-to-peer (P2P) databases are becoming prevalent on the Internet for distribution and sharing of documents, applications, and other digital media.
