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Quantitative evaluation of recall and precision of CAT Crawler, a search engine specialized on retrieval of Critically Appraised Topics

Peng Dong, Ling Ling Wong, Sarah Ng, Marie Loh, Adrian Mondry
2004 BMC Medical Informatics and Decision Making  
Of those common to both libraries, ten were randomly chosen for evaluation. All ten were submitted to the two search engines individually, and through the meta-search engine of the CAT Crawler.  ...  Results: While achieving an identical recall, the meta-search engine showed a precision of 77.26% (±14.45) compared to the individual search engines' 52.65% (±12.0) (p < 0.001).  ...  Acknowledgements The authors would like to thank the staff and students of the Bioinformatics Institute for volunteering to evaluate the performance of search.  ... 
doi:10.1186/1472-6947-4-21 pmid:15588311 pmcid:PMC539260 fatcat:eakb2n4vsraolcnc5bwlyvaxa4

Site-Specific versus General Purpose Web Search Engines: A Comparative Evaluation

Georgios Atsaros, Diomidis Spinellis, Panagiotis Louridas
2008 2008 Panhellenic Conference on Informatics  
We evaluate the performance of two general purpose search engines and 10 sitespecific ones. The criteria we used are precision and relative recall.  ...  A comparisson of the effectiveness of the two types allows search engine users to choose the right engine and organizations to decide whether they should develop their own search software or purchase the  ...  Evaluation Criteria and Assumptions The criteria used for the evaluation of selected search engines are precision and relative recall.  ... 
doi:10.1109/pci.2008.47 dblp:conf/pci/AtsarosSL08 fatcat:cgaylhzrybdwjalebf2o7iyxqi

Performance Evaluation of Desktop Search Engines

Chang-Tien Lu, Manu Shukla, Siri H. Subramanya, Yamin Wu
2007 2007 IEEE International Conference on Information Reuse and Integration  
In this paper, the performance of five desktop search engines, Yahoo, Copernic, Archivarius, Google, and Windows are evaluated.  ...  The evaluations performed by a standard evaluation program provide an exhaustive performance comparison of the desktop search engines by representative information retrieval measures.  ...  of search engines.  ... 
doi:10.1109/iri.2007.4296606 dblp:conf/iri/LuSSW07 fatcat:uzevmr4ecretjm7pyye32e7iyu

SIEM: An Integrated Evaluation Metric for Measuring Search Engine's Performance

Sojdeh Lotfipour, Fatemeh Ahmadi-Abkenari
2014 International Journal of Computer Applications  
In order to evaluate the accuracy and strength of a search engine regarding its robustness in finding relevant Web documents, a set of metrics have been proposed by researchers that each of them evaluates  ...  Then according to the conducted experiment and an analytical solution, a hybrid evaluation metric is proposed that based on it the overall strength of a search engine could be measured.  ...  Evaluation metrics for search engines Precision/Recall based Metrics Precision and recall are metrics that are not only used in evaluating search engines' results but also in the evaluation of other  ... 
doi:10.5120/18906-0202 fatcat:zjqpgth5ffh4jhcouxbc5r5wzm

Benchmarking Web-Based Image Retrieval

Ryan Fendley, Phani Kidambi
2010 Americas Conference on Information Systems  
Factors used for the evaluation of these search engines include query types, number of images retrieved, and the type of search engine.  ...  Results of the empirical evaluation show that while the Google search engine performed better than Yahoo and MSN Live in situations where there is no refiner, the performance of all three search engines  ...  The search engines were evaluated based on the precision at a retrieval length R at R=10, 20, 30 and 40.  ... 
dblp:conf/amcis/FendleyK10 fatcat:w4sjmp4k4jgrzlvssjdhl7pyie

Automatic performance evaluation of Web search engines

Fazli Can, Rabia Nuray, Ayisigi B. Sevdik
2004 Information Processing & Management  
This indicates that the new method can be successfully used in the evaluation of Web search engines.  ...  In this study we introduce automatic Web search engine evaluation method as an efficient and effective assessment tool of such systems.  ...  Acknowledgements We would like to thank the Fall 2001 CS533, Information Retrieval Systems, students, and David Davenport of Bilkent University for writing and evaluating the queries used in this study  ... 
doi:10.1016/s0306-4573(03)00040-2 fatcat:4opyx6kfq5djnkyuybne4ipw7q

Evaluation of web search for the information practitioner

A. MacFarlane, David Bawden
2007 ASLIB Proceedings  
search engines.  ...  Keywords Web search evaluation precision diagnostic measures Abstract Purpose: The aim of the paper is to put forward a structured mechanism for web search evaluation.  ...  How do such professionals evaluate the retrieval effectiveness of a particular information need on a given search engine, or compare search engines.  ... 
doi:10.1108/00012530710817573 fatcat:wb5gonqulnbjxibiollyj7xiqe

Retrieval Effectiveness of Cross Language Information Retrieval Search Engines [chapter]

Schubert Foo
2011 Lecture Notes in Computer Science  
This study evaluates the retrieval effectiveness of English-Chinese (EC) cross-language information retrieval (CLIR) on four common search engines along the dimensions of recall and precision.  ...  Web search engines.  ...  Acknowledgement The author gratefully acknowledges the contributions of Gao Xiuqing, Katherine Chia and Tang Jiao who carried out this study as part of their Critical Inquiry Project in their M.Sc.  ... 
doi:10.1007/978-3-642-24826-9_37 fatcat:cfheaohlg5hr5fxbajzi6y45hi

Comparative evaluation of web search engines in health information retrieval

Carla Teixeira Lopes, Cristina Ribeiro, Dirk Lewandowski
2011 Online information review (Print)  
Purpose: With this work we intend to evaluate several generalist and health-specific search engines on retrieval of health information by consumers.  ...  Findings: Results show that generalist web search engines surpass the precision of health-specific engines. Google has the better performance, mainly on the top-10 results.  ...  each level Table 1 - 1 Previous studies on Evaluation of Web Search Engines Study #Search Engines Evaluation criteria Table 2 - 2 Studies evaluating Web Search Engines in the professional health  ... 
doi:10.1108/14684521111193175 fatcat:e4ed23vhljcjnji2tqo24yideu

A Theoretical and Empirical Evaluation of Software Component Search Engines, Semantic Search Engines and Google Search Engine in the Context of COTS-Based Development [article]

Nacim Yanes, Sihem Ben Sassi, Henda Hajjami Ben Ghezala
2012 arXiv   pre-print
Our empirical evaluation is conducted with respect to precision and normalized recall. We defined ten queries for the assessed search engines.  ...  These queries were carefully selected to evaluate the capability of each search engine for handling COTS component identification.  ...  EMPIRICAL EVALUATION OF SEARCH ENGINES This section describes first the methodology employed to evaluate search engines in terms of precision and normalized recall.  ... 
arXiv:1204.2079v1 fatcat:tv7z72hcirc6veffjcxpybgoyy

A comparative evaluation of popular search engines on finding Turkish documents for a specific time period

2017 Tehnički Vjesnik  
Furthermore, the study reveals the current information retrieval effectiveness of the search engines. First of all, the Turkish queries were run on the search engines separately.  ...  Nowadays: Yahoo has the highest mean precision ratios at various cut-off points; all search engines have their highest mean precision ratios at cut-off point 5; dead links were encountered in Google, Bing  ...  [3] , 4 of the search engines, the same queries, and the same evaluation method of the retrieval outputs are used from [3] .  ... 
doi:10.17559/tv-20140512181430 fatcat:nke55fh4ezgsvktar6pv3vbcei

Evaluating search effectiveness of some selected search engines

M.S. Bute, Adamu Hussaini, Inuwa Hadiza Adamu
2017 Global Journal of Pure and Applied Sciences  
Precision, relative recall and response time were considered for this evaluation, a total of 24 search queries were sampled based on information queries, navigational queries and transactional queries.  ...  With advancement in technology, many individuals are getting familiar with the internet a lot of users seek for information on the World Wide Web (WWW) using variety of search engines.  ...  The precision and relative recall of each search engine was considered for evaluating the performances of the search engines.  ... 
doi:10.4314/gjpas.v23i1.14 fatcat:jfj7fnhbpbfvhnzupsgfoixcga

Effects of Diacritics on Web Search Engines Performance for Retrieval Yoruba Documents

Toluwase Victor Asubiaro
2014 Journal of Library and Information Studies  
There was no significant difference in the precision values of any two of the four search engines for diacritized and undiacritized queries.  ...  This paper aims to find out the possible effect of the use or nonuse of diacritics in Yoruba search queries on the performance of major search engines, AOL, Bing, Google and Yahoo!  ...  Evaluation metric T h e r e t r i e v a l p e r f o r m a n c e o f t h e search engines were evaluated based on the precision of the search engines.  ... 
doi:10.6182/jlis.2014.12(1).001 doaj:d537caeb84194e2f958cd60475710aca fatcat:hyugefi27bb6fk2sxwrihxqw6q

The effect of brand awareness on the evaluation of search engine results

Bernard J. Jansen, Mimi Zhang, Ying Zhang
2007 CHI '07 extended abstracts on Human factors in computing systems - CHI '07  
In this paper we investigate the effect of search engine brand (i.e., identifying name that distinguishes a product from its competitors) on evaluation of system performance.  ...  In Table 2, we present the difference in average precision ratings for each search engine. AI 2 RS, the unknown brand fared the worst -with an average precision rating of 10% under the average.  ...  The Air Force Office of Scientific Research (AFOSR) funded portions of this research.  ... 
doi:10.1145/1240866.1241026 dblp:conf/chi/JansenZZ07 fatcat:kgs7akll2vai7hobkexxp3a62i

Evaluating the effectiveness of Google, Parsijoo, Rismoon, and Yooz to retrieve Persian documents

Mahdi Zeynali Tazehkandi, Mohsen Nowkarizi
2020 Library hi tech  
PurposeThe purpose was to evaluate the effectiveness of Google (as an international search engine) as well as of Parsijoo, Rismoon, and Yooz (as Persian search engines).Design/methodology/approachIn this  ...  There was also a significant difference in the effectiveness (average of precision, recall, and NDCG) of these four search engines in the retrieval of the Persian resources.Practical implicationsUsers  ...  To calculate the effectiveness of B search engine, the following formula is used: Effectiveness of B search engine for A SWT in D e-form 5 sum of precision, recall, and NDCG scores of B search engine for  ... 
doi:10.1108/lht-11-2019-0229 fatcat:dyparigrxzc5nlkhon6xny2nee
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