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Evaluating the performance of distributed architectures for information retrieval using a variety of workloads

Brendon Cahoon, Kathryn S. McKinley, Zhihong Lu
2000 ACM Transactions on Information Systems  
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

Ophir Frieder, David A. Grossman, Abdur Chowdhury, Gideon Frieder
2000 Journal of Digital Information  
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

Sam S. Tsai, Huizhong Chen, David Chen, Georg Schroth, Radek Grzeszczuk, Bernd Girod
2011 2011 18th IEEE International Conference on Image Processing  
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

Mario Cannataro, Domenico Talia, Pradip K Srimani
2002 Parallel Computing  
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

A. Macfarlane, S.E. Robertson, J.A. Mccann
1997 Journal of Documentation  
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


Makoto Yui, Jun Miyazaki, Shunsuke Uemura, Hirokazu Kato
2008 Proceedings of the 2008 ACM symposium on Applied computing - SAC '08  
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

Alistair Moffat, William Webber, Justin Zobel, Ricardo Baeza-Yates
2006 Information retrieval (Boston)  
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

Ştefan MOCANU, Ramona DIN, Daniela SARU, Cosmin POPA
2014 Studies in Informatics and Control  
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

P. Efraimidis, C. Glymidakis, B. Mamalis, P. Spirakis, B. Tampakas
1995 Proceedings of the 18th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '95  
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

Hussein Al-Bahadili, Hamzah Qtishat, Reyadh S. Naoum
2013 International Journal on Web Service Computing  
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

Hsinchun Chen, B. Schatz, T. Ng, J. Martinez, A. Kirchhoff, Chienting Lin
1996 IEEE Transactions on Pattern Analysis and Machine Intelligence  
This fundamental property of 0162-8828/96$05.00 01996 IEEE  ...  Fov information on obtaining reprints of this article, please send e-mail to:, 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  
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


Rahul Potharaju, Joseph Chan, Luhui Hu, Cristina Nita-Rotaru, Mingshi Wang, Liyuan Zhang, Navendu Jain
2015 Proceedings of the VLDB Endowment  
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, serverdatabase  ... 
doi:10.14778/2824032.2824079 fatcat:zkr2poh5mvd4bja27seilalnpm

An Effective and Efficient Technique for Supporting Privacy-Preserving Keyword-Based Search over Encrypted Data in Clouds

Alfredo Cuzzocrea, Carson K. Leung, Bryan H. Wodi, S. Sourav, Edoardo Fadda
2020 Procedia Computer Science  
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

PB Berra, CYR Chen, A Ghafoor, CC Lin, TDC Little, D Shin
1990 Computer Communications  
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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