Relevant bibliographies by topics / Data-based testing

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Data-based testing'

Author: Grafiati
Published: 28 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Data-based testing"

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Faitelson, David, and Shmuel Tyszberowicz. "Data refinement based testing." International Journal of System Assurance Engineering and Management 2, no. 2 (June 2011): 144–54. http://dx.doi.org/10.1007/s13198-011-0060-y.

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Zhang, Beige, Chun Li, Nazaraf Shah, Xiang Fei, Lihong Jiang, and Hongming Cai. "A testing data validity assessment method and testing data validation platform based on SOA." Service Oriented Computing and Applications 12, no. 3-4 (September 27, 2018): 201–9. http://dx.doi.org/10.1007/s11761-018-0242-4.

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Forgács, István, and Antonia Bertolino. "Preventing untestedness in data-flow based testing." Software Testing, Verification and Reliability 12, no. 1 (November 19, 2001): 29–58. http://dx.doi.org/10.1002/stvr.234.

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Golfarelli, Matteo, and Stefano Rizzi. "Data warehouse testing: A prototype-based methodology." Information and Software Technology 53, no. 11 (November 2011): 1183–98. http://dx.doi.org/10.1016/j.infsof.2011.04.002.

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SUN, Pei-gang, Li-qun TAN, Li-jun ZHAO, and Jing-po WU. "Software testing method based on data processing model." Journal of Computer Applications 29, no. 10 (December 28, 2009): 2827–29. http://dx.doi.org/10.3724/sp.j.1087.2009.02827.

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Bhatti, Muhammad Ishaq. "Testing regression models based on sample survey data." Bulletin of the Australian Mathematical Society 48, no. 2 (October 1993): 351–52. http://dx.doi.org/10.1017/s000497270001577x.

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Prys-Williams, Allan G., and M. I. Bhatti. "Testing Regression Models Based on Sample Survey Data." Statistician 45, no. 4 (1996): 529. http://dx.doi.org/10.2307/2988553.

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Lin, A. N., and B. A. Verser. "Microcomputer Based Data Acquisition System for Dynamic Testing." Earthquake Spectra 3, no. 2 (May 1987): 299–313. http://dx.doi.org/10.1193/1.1585430.

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The availability of capable and relatively inexpensive microcomputers and versatile expansion devices has revolutionized education, research, and practice in engineering. A data acquisition and analysis system for use in full scale and large model dynamic testing based on a popular series of microcomputer has been developed. “Quick-look” and preliminary frequency analysis of data are completed in the microcomputer environment, while more detailed frequency domain analysis of single and dual channel data are completed in the mainframe environment. The system has been used for ambient and forced vibration testing of several prototype structures and large models.
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Greenblatt, Richard E., and Mark E. Pflieger. "Randomization-Based Hypothesis Testing from Event-Related Data." Brain Topography 16, no. 4 (2003): 225–32. http://dx.doi.org/10.1023/b:brat.0000032856.48286.18.

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Pakyari, Reza, and N. Balakrishnan. "Testing exponentiality based on Type-I censored data." Journal of Statistical Computation and Simulation 83, no. 12 (December 2013): 2369–78. http://dx.doi.org/10.1080/00949655.2012.691974.

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Dissertations / Theses on the topic "Data-based testing"

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Tsai, Bor-Yuan. "A hybrid object-oriented class testing method : based on state-based and data-flow testing." Thesis, University of Sunderland, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311294.

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Li, Dongmei. "Resampling-based Multiple Testing with Applications to Microarray Data Analysis." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243993319.

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Noor, Tanzeem Bin. "A Similarity-based Test Case Quality Metric using Historical Failure Data." IEEE, 2015. http://hdl.handle.net/1993/31045.

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A test case is a set of input data and expected output, designed to verify whether the system under test satisfies all requirements and works correctly. An effective test case reveals a fault when the actual output differs from the expected output (i.e., the test case fails). The effectiveness of test cases is estimated using quality metrics, such as code coverage, size, and historical fault detection. Prior studies have shown that previously failing test cases are highly likely to fail again in the next releases; therefore, they are ranked higher. However, in practice, a failing test case may not be exactly the same as a previously failed test case, but quite similar. In this thesis, I have defined a metric that estimates test case quality using its similarity to the previously failing test cases. Moreover, I have evaluated the effectiveness of the proposed test quality metric through detailed empirical study.
February 2016
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Nordholm, Johan. "Model-Based Testing: An Evaluation." Thesis, Karlstad University, Faculty of Economic Sciences, Communication and IT, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-5188.

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Testing is a critical activity in the software development process in order to obtain systems of high quality. Tieto typically develops complex systems, which are currently tested through a large number of manually designed test cases. Recent development within software testing has resulted in methods and tools that can automate the test case design, the generation of test code and the test result evaluation based on a model of the system under test. This testing approach is called model-based testing (MBT).

This thesis is a feasibility study of the model-based testing concept and has been performed at the Tieto office in Karlstad. The feasibility study included the use and evaluation of the model-based testing tool Qtronic, developed by Conformiq, which automatically designs test cases given a model of the system under test as input. The experiments for the feasibility study were based on the incremental development of a test object, which was the client protocol module of a simplified model for an ATM (Automated Teller Machine) client-server system. The experiments were evaluated both individually and by comparison with the previous experiment since they were based on incremental development. For each experiment the different tasks in the process of testing using Qtronic were analyzed to document the experience gained as well as to identify strengths and weaknesses.

The project has shown the promise inherent in using a model-based testing approach. The application of model-based testing and the project results indicate that the approach should be further evaluated since experience will be crucial if the approach is to be adopted within Tieto’s organization.

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Lima, Lucas Albertins de. "Test case prioritization based on data reuse for Black-box environments." Universidade Federal de Pernambuco, 2009. https://repositorio.ufpe.br/handle/123456789/1922.

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Made available in DSpace on 2014-06-12T15:53:11Z (GMT). No. of bitstreams: 2 arquivo1906_1.pdf: 1728491 bytes, checksum: 711dbaf0713ac324ffe904a6dace38d7 (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2009
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Albertins de Lima, Lucas; Cezar Alves Sampaio, Augusto. Test case prioritization based on data reuse for Black-box environments. 2009. Dissertação (Mestrado). Programa de Pós-Graduação em Ciência da Computação, Universidade Federal de Pernambuco, Recife, 2009.
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Tracey, Nigel James. "A search-based automated test-data generation framework for safety-critical software." Thesis, University of York, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325796.

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Woldeselassie, Tilahun. "A simple microcomputer-based nuclear medicine data processing system design and performance testing." Thesis, University of Aberdeen, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316066.

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This thesis investigates the feasibility of designing a simple nuclear medicine data processing system based on an inexpensive microcomputer system, which is affordable to small hospitals and to developing countries where resources are limited. Since the main need for a computer is to allow dynamic studies to be carried out, the relevant criteria for choosing the computer are its speed and memory capacity. The benchmark chosen for these criteria is renography, one of the commonest nuclear medicine procedures. The Acorn Archimedes model 310 microcomputer was found to meet these requirements, and a suitable camera-computer interface has been designed. Because of the need for ensuring that the gain and offset controls of the interface are set optimally before connecting to the camera, it was necessary to design a circuit which produces a test pattern on the screen for use during this operation. Having also developed and tested the data acquisition and image display software successfully, atttention was concentrated on finding ways of characterising and measuring the performance of the computer interface and the display device, two important areas which have been largely neglected in the quality control of camera-computer systems. One of the characteristics of the interface is its deadtime. A procedure has been outlined for measuring this by means of a variable frequency pulse generator and also for interpreting the data correctly. A theoretical analysis of the way in which the interface deadtime affects the overall count rate performance of the system has also been provided. The spatial linearity, resolution and uniformity characteristics of the interface are measured using a special dual staircase generator circuit designed to simulate the camera position and energy signals. The test pattern set up on the screen consists of an orthogonal grid of points which can be used for a visual assessment of linearity, while analysis of the data in memory enables performance indices for resolution, linearity and uniformity to be computed. The thesis investigates the performance characteristics of display devices by means of radiometric measurements of screen luminance. These reveal that the relationship between screen luminance and display grey level value can be taken as quadratic. Characterisation of the display device in this way enables software techniques to be employed to ensure that screen luminance is a linear function of display grey level value; screen luminance measurements, coupled with film density measurements, are also used to optimise the settings of the display controls for using the film in the linear range of its optical densities. This in turn ensures that film density is a linear function of grey level value. An alternative approach for correcting for display nonlinearity is by means of an electronic circuit described in this thesis. Intensity coding schemes for improving the quality of grey scale images can be effective only if distortion due to the display device is corrected for. The thesis also draws attention to significant variations in film density which may have their origins in nonuniformities in the display screen, the recording film, or in the performance of the film processor. The work on display devices has been published in two papers.
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Mairhofer, Stefan. "Search-based software testing and complex test data generation in a dynamic programming language." Thesis, Blekinge Tekniska Högskola, Avdelningen för programvarusystem, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4340.

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Manually creating test cases is time consuming and error prone. Search-based software testing (SBST) can help automate this process and thus to reduce time and effort and increase quality by automatically generating relevant test cases. Previous research have mainly focused on static programming languages with simple test data inputs such as numbers. In this work we present an approach for search-based software testing for dynamic programming languages that can generate test scenarios and both simple and more complex test data. This approach is implemented as a tool in and for the dynamic programming language Ruby. It uses an evolutionary algorithm to search for tests that gives structural code coverage. We have evaluated the system in an experiment on a number of code examples that differ in complexity and the type of input data they require. We compare our system with the results obtained by a random test case generator. The experiment shows, that the presented approach can compete with random testing and, for many situations, quicker finds tests and data that gives a higher structural code coverage.
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Ndashimye, Maurice. "Accounting for proof test data in Reliability Based Design Optimization." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/97108.

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Thesis (MSc)--Stellenbosch University, 2015.
ENGLISH ABSTRACT: Recent studies have shown that considering proof test data in a Reliability Based Design Optimization (RBDO) environment can result in design improvement. Proof testing involves the physical testing of each and every component before it enters into service. Considering the proof test data as part of the RBDO process allows for improvement of the original design, such as weight savings, while preserving high reliability levels. Composite Over-Wrapped Pressure Vessels (COPV) is used as an example application of achieving weight savings while maintaining high reliability levels. COPVs are light structures used to store pressurized fluids in space shuttles, the international space station and other applications where they are maintained at high pressure for extended periods of time. Given that each and every COPV used in spacecraft is proof tested before entering service and any weight savings on a spacecraft results in significant cost savings, this thesis put forward an application of RBDO that accounts for proof test data in the design of a COPV. The method developed in this thesis shows that, while maintaining high levels of reliability, significant weight savings can be achieved by including proof test data in the design process. Also, the method enables a designer to have control over the magnitude of the proof test, making it possible to also design the proof test itself depending on the desired level of reliability for passing the proof test. The implementation of the method is discussed in detail. The evaluation of the reliability was based on the First Order Reliability Method (FORM) supported by Monte Carlo Simulation. Also, the method is implemented in a versatile way that allows the use of analytical as well as numerical (in the form of finite element) models. Results show that additional weight savings can be achieved by the inclusion of proof test data in the design process.
AFRIKAANSE OPSOMMING: Onlangse studies het getoon dat die gebruik van ontwerp spesifieke proeftoets data in betroubaarheids gebaseerde optimering (BGO) kan lei tot 'n verbeterde ontwerp. BGO behels vele aspekte in die ontwerpsgebied. Die toevoeging van proeftoets data in ontwerpsoptimering bring te weë; die toetsing van 'n ontwerp en onderdele voor gebruik, die aangepaste en verbeterde ontwerp en gewig-besparing met handhawing van hoë betroubaarsheidsvlakke. 'n Praktiese toepassing van die BGO tegniek behels die ontwerp van drukvatte met saamgestelde materiaal bewapening. Die drukvatontwerp is 'n ligte struktuur wat gebruik word in die berging van hoë druk vloeistowwe in bv. in ruimtetuie, in die internasionale ruimtestasie en in ander toepassings waar hoë druk oor 'n tydperk verlang word. Elke drukvat met saamgestelde materiaal bewapening wat in ruimtevaartstelsels gebruik word, word geproeftoets voor gebruik. In ruimte stelselontwerp lei massa besparing tot 'n toename in loonvrag. Die tesis beskryf 'n optimeringsmetode soos ontwikkel en gebaseer op 'n BGO tegniek. Die metode word toegepas in die ontwerp van drukvatte met saamgestelde materiaal bewapening. Die resultate toon dat die gebruik van proeftoets data in massa besparing optimering onderhewig soos aan hoë betroubaarheidsvlakke moontlik is. Verdermeer, die metode laat ook ontwerpers toe om die proeftoetsvlak aan te pas om sodoende by ander betroubaarheidsvlakke te toets. In die tesis word die ontwikkeling en gebruik van die optimeringsmetode uiteengelê. Die evaluering van betroubaarheidsvlakke is gebaseer op 'n eerste orde betroubaarheids-tegniek wat geverifieer word met talle Monte Carlo simulasie resultate. Die metode is ook so geskep dat beide analitiese sowel as eindige element modelle gebruik kan word. Ten slotte, word 'n toepassing getoon waar resultate wys dat die gebruik van die optimeringsmetode met die insluiting van proeftoets data wel massa besparing kan oplewer.
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Bayley, Gwain. "PC-based bit error rate analyser for a 2 Mbps data link." Thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/23153.

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Books on the topic "Data-based testing"

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Testing regression models based on sample survey data. Aldershot, Hants, England: Brookfield, Vt., 1995.

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Turkiyyah, George M. Feasibility of backcalculation procedures based on dynamic FWD response data. [Olympia, Wash.]: Washington State Dept. of Transportation, 2005.

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Srivastava, M. S. Testing for block effects and analysis of regression models based on survey data. Toronto: University of Toronto, Dept. of Statistics, 1987.

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Laungrungrong, Busaba. Development of rational pay factors based on concrete compressive strength data. Phoenix, Ariz: Arizona Dept. of Transportation, 2008.

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Shalkhauser, Kurt A. Bit-error-rate testing of fiber optic data links for MMIC-based phased array antennas. [Washington, D.C.]: NASA, 1990.

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Holnbeck, Stephen R. Method for rapid estimation of scour at highway bridges based on limited site data. Helena, Mont: U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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Holnbeck, Steven R. Method for rapid estimation of scour at highway bridges based on limited site data. Helena, Mont: U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

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Anne, Kramer. Model-based testing essentials: Guide to the ISTQB certified model-based tester foundation level. Hoboken, New Jersey: John Wiley & Sons Inc., 2016.

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Grabowski, Jens Volker. Specification based testing of real time distributed systems: Languages, tools and applications. Berlin: Logos Verlag Berlin, 2003.

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Gabrièle, Saucier, Ambler Tony, and Breuer Melvin A, eds. Knowledge based systems for test and diagnosis: Proceedings of the IFIP WG 10.5 International Workshop on Knowledge Based Systems for Test and Diagnosis, Grenoble, France, 27-29 September, 1988. Amsterdam: North-Holland, 1989.

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Book chapters on the topic "Data-based testing"

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Cavalcanti, Ana, and Marie-Claude Gaudel. "Data Flow Coverage for Circus-Based Testing." In Fundamental Approaches to Software Engineering, 415–29. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54804-8_29.

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Piel, Éric, Alberto Gonzalez-Sanchez, and Hans-Gerhard Gross. "Built-In Data-Flow Integration Testing in Large-Scale Component-Based Systems." In Testing Software and Systems, 79–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-16573-3_7.

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Bai, Xiaoying, Kejia Hou, Jun Huang, and Mingli Yu. "A Search-Based Approach to Geographical Data Generation for Testing Location-Based Services." In Analytic Methods in Systems and Software Testing, 489–500. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119357056.ch19.

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Salva, Sébastien, Elliott Blot, and Patrice Laurencot. "Combining Model Learning and Data Analysis to Generate Models of Component-Based Systems." In Testing Software and Systems, 142–48. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99927-2_12.

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Aguiar-Moya, José P., Pablo A. Torres-Linares, Edgar Camacho-Garita, Fabricio Leiva-Villacorta, and Luis G. Loría-Salazar. "Development of IRI Models Based on APT Data." In The Roles of Accelerated Pavement Testing in Pavement Sustainability, 799–813. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-42797-3_52.

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Bouquet, Fabrice, Jean-François Couchot, Frédéric Dadeau, and Alain Giorgetti. "Instantiation of Parameterized Data Structures for Model-Based Testing." In B 2007: Formal Specification and Development in B, 94–108. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11955757_10.

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Xu, Bing. "College English Teaching and Testing Based on Data Mining." In Application of Intelligent Systems in Multi-modal Information Analytics, 383–87. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51556-0_55.

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Wenbin, You, and Ding Yonghong. "Attitude Testing Based on Film Winding and Data Processing." In Recent Advances in Computer Science and Information Engineering, 521–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25778-0_72.

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Bian, Fu-yong, Ming Zhang, Zhen Chen, and Rong Xu. "Research on Data Management System for Drug Testing Based on Big Data." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 584–91. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-19086-6_64.

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Ivančević, Vladimir, Marko Knežević, Bojan Pušić, and Ivan Luković. "Adaptive Testing in Programming Courses Based on Educational Data Mining Techniques." In Educational Data Mining, 257–87. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-02738-8_10.

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Conference papers on the topic "Data-based testing"

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Jiang, Derong, and Jianfeng Hu. "Data Flow-Based Software Testing." In 2008 International Conference on Computer Science and Software Engineering. IEEE, 2008. http://dx.doi.org/10.1109/csse.2008.161.

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Wang, Hongpo, Linnan Bai, Ming Jiezhang, Jun Zhang, and Qiang Li. "Software Testing Data Analysis Based on Data Mining." In 2017 4th International Conference on Information Science and Control Engineering (ICISCE). IEEE, 2017. http://dx.doi.org/10.1109/icisce.2017.148.

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Paladi, Nicolae, and Thomas Arts. "Model based testing of data constraints." In the 8th ACM SIGPLAN workshop. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1596600.1596611.

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Krishnan, Padmanabhan, and Percy Pari-Salas. "Data generation in model-based testing." In the 2010 ACM Symposium. New York, New York, USA: ACM Press, 2010. http://dx.doi.org/10.1145/1774088.1774553.

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Tesfagiorgish, Dawit G., and Li JunYi. "Big Data Transformation Testing Based on Data Reverse Engineering." In 2015 IEEE 12th Intl. Conf. on Ubiquitous Intelligence and Computing, 2015 IEEE 12th Intl. Conf. on Autonomic and Trusted Computing and 2015 IEEE 15th Intl. Conf. on Scalable Computing and Communications and its Associated Workshops (UIC-ATC-ScalCom). IEEE, 2015. http://dx.doi.org/10.1109/uic-atc-scalcom-cbdcom-iop.2015.129.

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Lee, Sungchul, Ju-Yeon Jo, and Yoohwan Kim. "Performance testing of web-based data visualization." In 2014 IEEE International Conference on Systems, Man and Cybernetics - SMC. IEEE, 2014. http://dx.doi.org/10.1109/smc.2014.6974152.

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WOLF, H., M. HENRY, and PAUL SIEMERS, III. "Shuttle Entry Air Data System (SEADS) - Optimization of preflight algorithms based on flight results." In 15th Aerodynamic Testing Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1988. http://dx.doi.org/10.2514/6.1988-2053.

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Hamacher, Hans. "Spacelab's microgravity environment - A characterization based on data of previous missions." In Advanced Measurement and Ground Testing Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1996. http://dx.doi.org/10.2514/6.1996-2229.

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Pap, Iuliu Alexandru, Stefan Oniga, Ioan Orha, and Alexandru Alexan. "IoT-based eHealth data acquisition system." In 2018 IEEE International Conference on Automation, Quality and Testing, Robotics (AQTR). IEEE, 2018. http://dx.doi.org/10.1109/aqtr.2018.8402711.

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Sahu, Madhusmita, and Durga Prasad Mohapatra. "Data Flow Testing of CGI Based Web Applications." In 2014 International Conference on Information Technology (ICIT). IEEE, 2014. http://dx.doi.org/10.1109/icit.2014.27.

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Reports on the topic "Data-based testing"

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Neymark, J., and D. Roberts. Deep in Data. Empirical Data Based Software Accuracy Testing Using the Building America Field Data Repository. Office of Scientific and Technical Information (OSTI), June 2013. http://dx.doi.org/10.2172/1220085.

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Nelson, Jonathan M. Development and Testing of Physically-Based Methods for Filling Gaps in Remotely Sensed River Data. Fort Belvoir, VA: Defense Technical Information Center, September 2011. http://dx.doi.org/10.21236/ada557169.

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Nelson, Jonathan M. Development and Testing of Physically-Based Methods for Filling Gaps in Remotely Sensed River Data: Annual Report Year 2. Fort Belvoir, VA: Defense Technical Information Center, September 2012. http://dx.doi.org/10.21236/ada572943.

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Singhvi, Punit, Javier García Mainieri, Hasan Ozer, and Brajendra Sharma. Rheology-Chemical Based Procedure to Evaluate Additives/Modifiers Used in Asphalt Binders for Performance Enhancements: Phase 2. Illinois Center for Transportation, June 2021. http://dx.doi.org/10.36501/0197-9191/21-020.

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The increased use of softer binders in Illinois over the past decade is primarily attributed to the increased use of recycled materials in asphalt pavement construction. The shift in demand of using PG 58-28 over PG 64-22 has resulted in potential alternative methods to produce softer binders more economically using proprietary products. However, there are challenges in using these proprietary products for asphalt modification because of uncertainty in their long-term performance and significant variability in binder chemistry. The current SuperPave performance grading specification for asphalt binders is insufficient in differentiating binders produced from these modifiers. Therefore, the objective of this study is to evaluate the performance of various softener-type asphalt binder modifiers using a wide array of rheological and chemistry tests for their integration into the Illinois Department of Transportation’s material specifications. The small-strain rheological tests and their parameters allowed for consistent grouping of modified binders and can be used as surrogates to identify performing and nonperforming asphalt binders. A new parameter, Δ|G*|peak τ, was developed from the linear amplitude sweep test and showed potential to discriminate binders based on their large-strain behavior. Chemistry-based parameters were shown to track aging and formulation changes. The modifier sources were identified using fingerprint testing and were manifested in the modified binder chemical and compositional characteristics. The two sources of base binders blended with the modifiers governed the aging rate of the modified binders. Mixture performance testing using the Illinois Flexibility Index Test and the Hamburg Wheel-Track Test were consistent with the rheological and chemical findings, except for the glycol amine-based modified binder, which showed the worst cracking performance with the lowest flexibility index among the studied modifiers. This was contrary to its superior rheological performance, which may be attributed to lower thermal stability, resulting in high mass loss during mixing. According to the characterization of field-aged binders, laboratory aging of two pressurized aging vessel cycles or more may represent realistic field aging of 10 to 15 years at the pavement surface and is able to distinguish modified binders. Therefore, an extended aging method of two pressurized aging vessel cycles was recommended for modified binders. Two different testing suites were recommended for product approval protocol with preliminary thresholds for acceptable performance validated with field-aged data.
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Rycroft, Taylor, Sabrina Larkin, Alexander Ganin, Treye Thomas, Joanna Matheson, Tessa Van Grack, Xinrong Chen, Kenton Plourde, Alan Kennedy, and Igor Linkov. A framework and pilot tool for the risk-based prioritization and grouping of nano-enabled consumer products. Engineer Research and Development Center (U.S.), August 2021. http://dx.doi.org/10.21079/11681/41721.

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The use of engineered nanomaterials (ENMs) in consumer products has expanded rapidly, revealing both innovative improvements over conventional materials, and the potential for novel risks to human health and the environment. As the number of new nano-enabled products and the volume of toxicity data on ENMs continues to grow, regulatory agencies like the U.S. Consumer Product Safety Commission (CPSC) – a small, independent federal agency responsible for protecting consumers from unreasonable risks associated with product use – will require the ability to screen and group a diverse array of nano-enabled consumer products based on their potential risks to consumers. Such prioritization would allow efficient allocation of limited resources for subsequent testing and evaluation of high-risk products and materials. To enable this grouping and prioritization for further testing, we developed a framework that establishes a prioritization score by evaluating a nano-enabled product's potential hazard and exposure, as well as additional consideration of regulatory importance. We integrate the framework into a pilot version software tool and, using a hypothetical case study, we demonstrate that the tool can effectively rank nano-enabled consumer products and can be adjusted for use by agencies with different priorities. The proposed decision-analytical framework and pilot-version tool presented here could enable a regulatory agency like the CPSC to triage reported safety concerns more effectively and allocate limited resources more efficiently.
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Punjabi, Maitri, Julianne Norman, Lauren Edwards, and Peter Muyingo. Using ACASI to Measure Gender-Based Violence in Ugandan Primary Schools. RTI Press, March 2021. http://dx.doi.org/10.3768/rtipress.2021.rb.0025.2104.

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School-related gender-based violence (SRGBV) remains difficult to measure because of high sensitivity and response bias. However, most SRGBV measurement relies on face-to-face (FTF) survey administration, which is susceptible to increased social desirability bias. Widely used in research on sensitive topics, Audio Computer-Assisted Self-Interview (ACASI) allows subjects to respond to pre-recorded questions on a computerized device, providing respondents with privacy and confidentiality. This brief contains the findings from a large-scale study conducted in Uganda in 2019 where primary grade 3 students were randomly selected to complete surveys using either ACASI or FTF administration. The surveys covered school climate, gender attitudes, social-emotional learning, and experiences of SRGBV. Through this study, we find that although most survey responses were comparable between ACASI and FTF groups, the reporting of experiences of sexual violence differed drastically: 43% of students in the FTF group versus 77% of students in the ACASI group reported experiencing sexual violence in the past school term. We also find that factor structures are similar for data collected with ACASI compared with data collected FTF, though there is weaker evidence for construct validity for both administration modes. We conclude that ACASI is a valuable tool in measuring sensitive sub-topics of SRGBV and should be utilized over FTF administration, although further psychometric testing of these surveys is recommended.
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Whisler, Daniel, Rafael Gomez Consarnau, and Ryan Coy. Novel Eco-Friendly, Recycled Composites for Improved CA Road Surfaces. Mineta Transportation Institute, July 2021. http://dx.doi.org/10.31979/mti.2021.2046.

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The continued use of structural plastics in consumer products, industry, and transportation represents a potential source for durable, long lasting, and recyclable roadways. Costs to dispose of reinforced plastics can be similar to procuring new asphalt with mechanical performance exceeding that of the traditional road surface. This project examines improved material development times by leveraging advanced computational material models based on validated experimental data. By testing traditional asphalt and select carbon and glass reinforced composites, both new and recycled, it is possible to develop a finite element simulation that can predict the material characteristics under a number of loads virtually, and with less lead time compared to experimental testing. From the tested specimens, composites show minimal strength degradation when recycled and used within the asphalt design envelopes considered, with an average of 49% less wear, two orders of magnitude higher compressive strength, and three orders for tensile strength. Predictive computational analysis using the validated material models developed for this investigation confirms the long-term durability.
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Treadwell, Jonathan R., James T. Reston, Benjamin Rouse, Joann Fontanarosa, Neha Patel, and Nikhil K. Mull. Automated-Entry Patient-Generated Health Data for Chronic Conditions: The Evidence on Health Outcomes. Agency for Healthcare Research and Quality (AHRQ), March 2021. http://dx.doi.org/10.23970/ahrqepctb38.

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Background. Automated-entry consumer devices that collect and transmit patient-generated health data (PGHD) are being evaluated as potential tools to aid in the management of chronic diseases. The need exists to evaluate the evidence regarding consumer PGHD technologies, particularly for devices that have not gone through Food and Drug Administration evaluation. Purpose. To summarize the research related to automated-entry consumer health technologies that provide PGHD for the prevention or management of 11 chronic diseases. Methods. The project scope was determined through discussions with Key Informants. We searched MEDLINE and EMBASE (via EMBASE.com), In-Process MEDLINE and PubMed unique content (via PubMed.gov), and the Cochrane Database of Systematic Reviews for systematic reviews or controlled trials. We also searched ClinicalTrials.gov for ongoing studies. We assessed risk of bias and extracted data on health outcomes, surrogate outcomes, usability, sustainability, cost-effectiveness outcomes (quantifying the tradeoffs between health effects and cost), process outcomes, and other characteristics related to PGHD technologies. For isolated effects on health outcomes, we classified the results in one of four categories: (1) likely no effect, (2) unclear, (3) possible positive effect, or (4) likely positive effect. When we categorized the data as “unclear” based solely on health outcomes, we then examined and classified surrogate outcomes for that particular clinical condition. Findings. We identified 114 unique studies that met inclusion criteria. The largest number of studies addressed patients with hypertension (51 studies) and obesity (43 studies). Eighty-four trials used a single PGHD device, 23 used 2 PGHD devices, and the other 7 used 3 or more PGHD devices. Pedometers, blood pressure (BP) monitors, and scales were commonly used in the same studies. Overall, we found a “possible positive effect” of PGHD interventions on health outcomes for coronary artery disease, heart failure, and asthma. For obesity, we rated the health outcomes as unclear, and the surrogate outcomes (body mass index/weight) as likely no effect. For hypertension, we rated the health outcomes as unclear, and the surrogate outcomes (systolic BP/diastolic BP) as possible positive effect. For cardiac arrhythmias or conduction abnormalities we rated the health outcomes as unclear and the surrogate outcome (time to arrhythmia detection) as likely positive effect. The findings were “unclear” regarding PGHD interventions for diabetes prevention, sleep apnea, stroke, Parkinson’s disease, and chronic obstructive pulmonary disease. Most studies did not report harms related to PGHD interventions; the relatively few harms reported were minor and transient, with event rates usually comparable to harms in the control groups. Few studies reported cost-effectiveness analyses, and only for PGHD interventions for hypertension, coronary artery disease, and chronic obstructive pulmonary disease; the findings were variable across different chronic conditions and devices. Patient adherence to PGHD interventions was highly variable across studies, but patient acceptance/satisfaction and usability was generally fair to good. However, device engineers independently evaluated consumer wearable and handheld BP monitors and considered the user experience to be poor, while their assessment of smartphone-based electrocardiogram monitors found the user experience to be good. Student volunteers involved in device usability testing of the Weight Watchers Online app found it well-designed and relatively easy to use. Implications. Multiple randomized controlled trials (RCTs) have evaluated some PGHD technologies (e.g., pedometers, scales, BP monitors), particularly for obesity and hypertension, but health outcomes were generally underreported. We found evidence suggesting a possible positive effect of PGHD interventions on health outcomes for four chronic conditions. Lack of reporting of health outcomes and insufficient statistical power to assess these outcomes were the main reasons for “unclear” ratings. The majority of studies on PGHD technologies still focus on non-health-related outcomes. Future RCTs should focus on measurement of health outcomes. Furthermore, future RCTs should be designed to isolate the effect of the PGHD intervention from other components in a multicomponent intervention.
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Baek, Carolyn, and Naomi Rutenberg. Addressing the family planning needs of HIV-positive PMTCT clients: Baseline findings from an operations research study. Population Council, 2005. http://dx.doi.org/10.31899/hiv14.1000.

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Preventing unintended pregnancy among HIV-positive women is an effective approach to reducing pediatric HIV infection and vital to meeting HIV-positive women’s sexual and reproductive health needs. Although contraceptive services for HIV-positive women is one of the cornerstones of a comprehensive program for prevention of mother-to-child transmission of HIV (PMTCT), a review of PMTCT programs found that implementers have not prioritized family planning (FP). While there is increasing awareness about the importance of FP and HIV integration, data about FP from PMTCT clients are lacking. The Horizons Program is conducting an operations research study testing several community-based strategies to reduce mother-to-child transmission of HIV in a densely settled urban slum in Nairobi, Kenya. Strategies being piloted include moving PMTCT services closer to the population via a mobile clinic and increasing psychosocial support for HIV-positive women. This research update presents key findings about FP at PMTCT sites, including the interaction between providers and clients as well as HIV-positive women’s fertility desires and demand for contraceptives, from the baseline cross-sectional survey and qualitative interviews with postpartum women.
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Haddock, John E., Reyhaneh Rahbar-Rastegar, M. Reza Pouranian, Miguel Montoya, and Harsh Patel. Implementing the Superpave 5 Asphalt Mixture Design Method in Indiana. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317127.

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Recent research developments have indicated that asphalt mixture durability and pavement life can be increased by modifying the Superpave asphalt mixture design method to achieve an in-place density of 95%, approximately 2% higher than the density requirements of conventionally designed Superpave mixtures. Doing so requires increasing the design air voids content to 5% and making changes to the mixture aggregate gradation so that effective binder content is not lowered. After successful laboratory testing of this modified mixture design method, known as Superpave 5, two controlled field trials and one full scale demonstration project, the Indiana Department of Transportation (INDOT) let 12 trial projects across the six INDOT districts based on the design method. The Purdue University research team was tasked with observing the implementation of the Superpave 5 mixture design method, documenting the construction and completing an in-depth analysis of the quality control and quality assurance (QC/QA) data obtained from the projects. QC and QA data for each construction project were examined using various statistical metrics to determine construction performance with respect to INDOT Superpave 5 specifications. The data indicate that, on average, the contractors achieved 5% laboratory air voids, which coincides with the Superpave 5 recommendation of 5%. However, on average, the as-constructed mat density of 93.8% is roughly 1% less than the INDOT Superpave 5 specification. It is recommended that INDOT monitor performance of the Superpave 5 mixtures and implement some type of additional training for contractor personnel, in order to help them increase their understanding of Superpave 5 concepts and how best to implement the design method in their operation.
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