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Evaluating the performance of distributed architectures for information retrieval using a variety of workloads
2000
ACM Transactions on Information Systems
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This scalable architecture includes a surprisingly small number of brokers through which a large number of clients and servers communicate. ...
We measure performance as a function of system parameters such as client command rate, number of document collections, terms per query, query term frequency, number of answers returned, and command mixture ...
ACKNOWLEDGMENTS We would like to thank Bob Cook and Kathleen Dibella for help with the development of the prototype system. ...
doi:10.1145/333135.333136
fatcat:ljnvlbopurhujks2fwd6vjnrfm
Efficiency Considerations for Scalable Information Retrieval Servers
2000
Journal of Digital Information
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We conclude with an overview of parallel processing in information retrieval. Since users cannot tolerate lengthy response times, searching large text databases requires vast computational resources. ...
We review a variety of techniques to improve efficiency in information retrieval. ...
Acknowledgment We thank Nazli Goharian and Don Kraft for their insightful comments that dramatically improved the quality and clarity of this paper. ...
dblp:journals/jodi/FriederGCF00
fatcat:sfwv57h4grd7djvk6zx33e7hdi
Mobile visual search on printed documents using text and low bit-rate features
2011
2011 18th IEEE International Conference on Image Processing
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The server uses the title text to retrieve a list of possible matching documents from on-line document databases. ...
The server uses the title text to retrieve a list of possible matching candidates from on-line document databases and the list is re-ranked by image-based comparison of the query image and candidate document ...
doi:10.1109/icip.2011.6116198
dblp:conf/icip/TsaiCCSGG11
fatcat:puqqtewg4jdrtasaxjcbprklxa
Parallel data intensive computing in scientific and commercial applications
2002
Parallel Computing
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The integration of parallel and distributed computational environments will produce major improvements in performance for both computing intensive and data intensive applications in the future. ...
The purpose of this introductory article is to provide an overview of the main issues in parallel data intensive computing in scientific and commercial applications and to encourage the reader to go into ...
Gerhard Joubert for many helpful suggestions that improved the contents and the presentation of this paper. ...
doi:10.1016/s0167-8191(02)00091-1
fatcat:qetjnt73xrbf3eil5p6suwx4ua
Parallel computing in information retrieval – an updated review
1997
Journal of Documentation
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A. DAP (Distributed Array of Processors). The AMT (formally ICL) DAP is a SIMD class architecture. ...
In particular we stress the importance of the motivation in using parallel computing for Text Retrieval. ...
We are grateful to Ephraim Vishniac and Dennis Parkinson for information on various aspects of the CM-2 and DAP systems described in this paper. ...
doi:10.1108/eum0000000007201
fatcat:2zuwtehixbd6xk33hwb3j43nse
XBird/D
2008
Proceedings of the 2008 ACM symposium on Applied computing - SAC '08
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Distributed and parallel database, XML query processing, Lazy evaluation • The second issue is that CPU-utilization of current query processors cannot exploit inter-operator parallelism in addition to ...
In this paper, we focus on an aspect of distributed XQuery processing that involves data exchanges between processor elements. ...
, we conducted performance comparisons to MonetDB/XRPC [7] version 4.18.1, which is one of the state-of-the-art distributed XQuery processors. ...
doi:10.1145/1363686.1363919
dblp:conf/sac/YuiMUK08
fatcat:7w2iqhcgrjgyxc7j5ifd3ofacm
A pipelined architecture for distributed text query evaluation
2006
Information retrieval (Boston)
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In a document-partitioned system, each of the processors hosts a subset of the documents in the collection, and executes every query against its local subcollection. ...
Two principal query-evaluation methodologies have been described for clusterbased implementation of distributed information retrieval systems: document partitioning and term partitioning. ...
Acknowledgment Bruce Croft (University of Massachusetts) provided helpful input. ...
doi:10.1007/s10791-006-9014-4
fatcat:4rac6uumrzelrnfmq4dmn44czm
Using Graphics Processing Units for Accelerated Information Retrieval
2014
Studies in Informatics and Control
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Considering this, along with the latest stage of content based information retrieval algorithms and their practical efficiency for a wide variety of applications, this paper focuses on emphasizing parallel ...
Their design, based on a high level of hardware parallelization achieved through a big number of processing cores, made GPUs serious competitors for CPU based processing architectures. ...
Acknowledgements This work was partially supported by the Romanian Ministry of Labor, Family and Social Protection, in contract POSDRU/89/1.5/S/62557. ...
doi:10.24846/v23i3y201403
fatcat:l5vajwp5dzezrgjs45xdkdrfyy
Parallel text retrieval on a high performance supercomputer using the Vector Space Model
1995
Proceedings of the 18th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '95
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This paperl discusses the efi-iciency of a parallel text retrieval system that is based on the Vector Space Model. ...
Specifically, we describe a general parallel retrieval algorithm for use with this model, the application of the algorithm in the FIRE system [I], and its implementation on the high performance GCe131512 ...
Most
parallel
text
retrieval
systems
([3], [8],[9]),
have
been implemented
on the Connection
Machine,
which
is a
classical
type
of SIMD
architecture
using
pipelined
vector
processors ...
doi:10.1145/215206.215332
dblp:conf/sigir/EfraimidisGMST95
fatcat:w7gvbnr3abdz5g7v5puhqzg7hm
Speeding Up the Web Crawling Process on a Multi-Core Processor Using Virtualization
2013
International Journal on Web Service Computing
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In this approach, the multi-core processor is divided into a number of virtual-machines (VMs) that can run in parallel (concurrently) performing different crawling tasks on different data. ...
This paper develops and investigates the performance of a new approach to speed up the crawling process on a multi-core processor through virtualization. ...
The new approach utilizes the concept of virtualization, in which the multi-core processor is decomposed into a number of virtual machines (VMs) that can operate in parallel performing different crawling ...
doi:10.5121/ijwsc.2013.4102
fatcat:h3i4nps4cfgjzm37tzqbdnzxui
A parallel computing approach to creating engineering concept spaces for semantic retrieval: the Illinois Digital Library Initiative project
1996
IEEE Transactions on Pattern Analysis and Machine Intelligence
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This fundamental property of 0162-8828/96$05.00 01996 IEEE ...
Fov information on obtaining reprints of this article, please send e-mail to: transpami@computer.org, and reference IEEECS Log Number P96053. objects in five domains, two people favored the Same term with ...
It contains 16 MIPS R8000 processors, with a total shared memory size of 4 GBs. Usin,p the same data parallel approach, we fully utilized the 16 processors. ...
doi:10.1109/34.531798
fatcat:xufomoqlszddxn2ca3diazmbwi
An Effective and Efficient Framework for Fast Privacy-Preserving Keyword Search on Encrypted Outsourced Cloud Data
2021
Journal of Ubiquitous Systems and Pervasive Networks
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With the encryption of documents, it is not feasible for data owners to retrieve documents based on keyword search as they can do with plain text documents. ...
Based on keyword search results, it then sorts all the relevant data documents using the number of keywords matched for a given query. ...
Acknowledgments This research has been partially supported by the following projects: Natural Sciences and Engineering Research Council of Canada (NSERC) -Canada; University of Manitoba -Canada; ...
doi:10.5383/juspn.15.02.006
fatcat:pzc7ofi5rzd57ayvn6dnwpmcta
ConfSeer
2015
Proceedings of the VLDB Endowment
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The system has been running in production for about a year to proactively find misconfigurations on tens of thousands of servers. ...
Unfortunately, finding an accurate match is difficult because (a) the KB articles are written in natural language text, and (b) configuration files typically contain a large number of parameters with a ...
For instance, given the words [sql, sql server, sql server database, sql server 2005], the final graph will contain four nodes (sql, server, database, 2005), an edge from sql → server, server → database ...
doi:10.14778/2824032.2824079
fatcat:zkr2poh5mvd4bja27seilalnpm
An Effective and Efficient Technique for Supporting Privacy-Preserving Keyword-Based Search over Encrypted Data in Clouds
2020
Procedia Computer Science
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Unlike searching plaintext documents by keywords, encrypted documents cannot be retrieved in the same manner. ...
Nowadays, cloud providers offer to their clients the possibility of storage of emails and files on the cloud server. To avoid privacy concerns, encryption should be applied to data. ...
This project is partially supported by NSERC (Canada) and University of Manitoba.
References ...
doi:10.1016/j.procs.2020.10.070
fatcat:7fjprebemjhznhsepwdeohf5re
Architecture for distributed multimedia database systems
1990
Computer Communications
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These requirements generate the need for a new generation of distributed heterogeneous multimedia database systems. ...
In this paper we identify a set of functional requirements for a multimedia server considering database management, object synchronization and integration, and multimedia query processing. ...
Therefore, although we discuss a system for storing and retrieving the multimedia documents, query processing actually is only based on the formatted data of these multimedia documents. ...
doi:10.1016/0140-3664(90)90120-6
fatcat:lcjtzbreozhzdd6cv22njo4k44
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