CÉlia Nunes

 
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2005

Nunes, C. (2005). Testes F e relacionados em modelos mistos com cross-nesting ortogonal. PhD Thesis in Mathematics. University of Beira Interior (UBI), Covilhã, Portugal, February 16. [UBI Website]

 

 

1998

Nunes, C. (1998). Sub-normalidade homocedástica, validação e inferência para métodos analíticos com extensão ao estudo da precisão relativa. Master Thesis in Applied Mathematics. University of Évora (UE), Évora, Portugal, January. [UE Website]

2007

Ferrão, E., Nunes, C. and Brauman, C. (2007). Estatística: Ciência Interdisciplinar. Proceedings of the XIV Congresso Anual da Sociedade Portuguesa de Estatística (SPE2006). Covilhã, September 27 - 30. ISBN 978-972-8890-12-4. [Book Website]

2014

Ferreira, D., Ferreira, S., Nunes, C. and  Mexia J.T. (2104). Inference in a three way crossed linear random model. Biometrie und Medizinische Informatik-Greifswalder Seminarberichte. Statistical and Biometrical Challenges - Theory and Applications. Pp. 115- Teresa Oliveira, Karl-Ernst Biebler, Amílcar Oliveira, Bernd Jäger (Ed.). Shaker Verlag, Aachen 2014. ISBN: 3-8440-2680-1

 

2013

Nunes, C., Ferreira, D., Ferreira, S. and Mexia, J.T. (2013). Generalized F tests in models with random perturbations: the truncated Normal case. In Advances in Regression, Survival Analysis Extreme Values, Markov Processes and other Statistical Applications. International book series studies in theoretical and applied statistics. Selected papers of the Statistical Societies. Lita da Silva, J.; Caeiro, F.; Natálio, I.; Braumann, C.A. (Eds.). [Article Download]

 

 

2006

Dias, G., Nunes, C., Cordeiro J.P., Moraliyski, R. Marcelino, I., Mukelov, R., Campos R., Santos, C., Alves, E., Conde, B. and Nonchev, B. (2006). Language Independent Methodologies to Tackle Multilinguality. In Readings in Multilinguality. Selected Papers from Young Researchers in BIS-21++. Galia Angelova, Kiril Simov, Milena Slavcheva (Editors). Incoma Ltd. Shoumen Bulgaria. [Article Download]

2017

Santos, C., Nunes, C., Dias, C. and Mexia, J.T. (2017). Joining models with commutative orthogonal block structure. Linear Algebra and its Applications, Vol. 517, pp. 235–245. doi:10.1016/j.laa.2016.12.019

Ferreira, D., Ferreira, S. S., Nunes, C., and Mexia, J. T. (2014). Estimation in mixed models through Three Step Minimization. In Communications in Statistics – Simulation and Computation . DOI:10.1080/03610918.2014.992544. [Journal Website] [Article Download]

 

2016

Campos, R., Dias, G., Jorge, A. and Nunes, C. (2016). GTE-Rank: a Time-Aware Search Engine to Answer Time-Sensitive Queries. In Information Processing & Management an International Journal. Elsevier, Vol 52(2), pp 273-298, ISSN 0306-4573. [Journal Website] [Article Download]

 

Bailey, RA., Ferreira, SS., Ferreira, D. and Nunes, C. (2016). Estimability of variance components when all model matrices commute. In Linear Algebra And Its Applications. Vol. 492, pp 144-160. DOI: 10.1016/j.laa.2015.11.002. [Journal Website] [Article Download]

 

Ferreira, S. S., Nunes, C., Ferreira, D., Moreira, E., and Mexia, J. T.  (2016). Estimation and Orthogonal Block Structure. In Hacettepe Journal of Mathematics and Statistics. Vol 45(58). DOI:10.15672/HJMS.2015589756. [Journal Website] [Article Download]

 

2015

Carvalho, F., Mexia, J. T., Santos, C. and Nunes, C. (2015). Inference for types and structured families of commutative orthogonal block structures. In Metrika. Vol. 78(3), pp 337-372. DOI: 10.1007/s00184-014-0506-8. [Journal Website] [Article Download]

 

2014

Ferreira, D., Ferreira, S. S., Nunes, C., Fonseca, M. and Mexia, J. T. (2014). Chisquared and Related Inducing Pivot Variables: An Application to Orthogonal Mixed Models. In Communications in Statistics – Theory and Methods. DOI:10.1080/03610926.2013.770532. [Journal Website] [Article Download]

 

Nunes, C., Ferreira, D., Ferreira, S.S. and Mexia, J. T. (2014). Fixed effects ANOVA: An extension to samples with random size. In Journal of Statistical Computation and Simulation. Vol. 84(11), pp. 2316 - 2328. DOI: 10.1080/00949655.2013.791293. [Journal Website] [Article Download]

 

2013

Ferreira, S.S., Ferreira, D., Nunes, C. and Mexia, J. T. (2013). Estimation of variance components in linear mixed models with commutative orthogonal block structure. In Revista Colombiana de Estadistica. Vol. 36(2), pp. 261- 271. [Journal Website] [Article Download]

 

Nunes, C., Oliveira, M. M. and Mexia, J. T. (2013). Application domains for the Delta method. In Statistics. A Journal of Theoretical and Applied Statistics. Vol. 47(2), pp. 317 - 328. DOI:10.1080/02331888.2011.605892. [Journal Website] [Article Download]

 

2012

Ferreira, D., Ferreira, S.S., Nunes, C. and Mexia, J. T. (2012). Approximate normality of low degree polynomials in normal independent variables. In Far East Journal of Mathematical Sciences. Vol 68(2), 287 – 296. [Journal Website] [Article Download]

 

Nunes, C., Ferreira, D., Ferreira, S. and Mexia, J.T. (2012). Control of the truncation errors for generalized F distributions. In Journal of Statistical Computation and Simulation. Vol 82(2), pp 165 - 171. [Journal Website] [Article Download]

 

Nunes, C., Ferreira, D., Ferreira, S. and Mexia, J. T. (2012). F tests with a rare pathology. In Journal of Applied Statistics. Vol 39(3), pp 551 - 561. [Journal Website] [Article Download]

 

Nunes, C., Ferreira, D., Ferreira, S. and Mexia, J.T. (2012). Generalized F distributions with random non-centrality parameters: The convolution of Gamma and Beta variables. In Far East Journal of Mathematical Sciences. Vol 62(1), pp. 1 - 14. [Journal Website] [Article Download]

 

Ferreira, S., Ferreira, D., Nunes, C. and Mexia, J. T. (2012). Estimation and crossing for models with commutative orthogonal block structure. In Advances and Applications in Statistical Sciences. Vol 7(2) pp. 23 - 34. ISSN 0974-6811. [Journal Website]

 

2011

Ferreira, S., Ferreira, D., Nunes, C. and Mexia, J. T. (2011). Discriminant Analysis and Decision Theory. In Far East Journal of Mathematical Sciences. Vol 51(1), pp 69 - 79. [Journal Website] [Article Download]

 

2010

Ferreira, S., Ferreira, D., Nunes, C. and Mexia, J.T. (2010). Nesting segregated mixed models. In Journal of Statistical Theory and Practice. Vol 4(2), 233 - 242. [Journal Website] [Article Download]

 

2009

Nunes, C., Ferreira, S. and Ferreira, D. (2009). Generalized F tests in models with random perturbations: the Gamma case. In Discussiones Mathematicae Probability and Statistics. Vol 29(2), pp 185 - 198. [Journal Website] [Article Download]

 

2008

Campos, R., Dias, G., Nunes, C. and Nonchev, B. (2008). Clustering Web Page Search Results: A Full Text Based Approach. In International Journal of Computer and Information Science Vol 9(4). pp 29-40, ISSN 1525-9293. [Journal Website] [Article Download]

 

Nunes, C., Pinto, I. and Mexia, J.T. (2008). Generalized F tests and selective generalized F tests for orthogonal associated mixed models. In Discussiones Mathematicae Probability and Statistics. Vol 28(2), pp 229 - 246. [Journal Website] [Article Download]

 

Pinto, I., Nunes, C. and Mexia, J.T. (2008). Analysis of a with-covariates model for the Enrinomental Indexes. In Biometrical Letters. Vol 45(2), pp 9 - 22, ISSN: 1896 - 3811. [Journal Website] [Article Download]

 

Nunes, C., Santos, C. and Mexia, J.T. (2008). Relevant statistics for models with commutative orthogonal block structure and unbiased estimator for variance components. In Journal of Interdisciplinary Mathematics. Vol 11(4), pp 553 - 564, ISSN: 0972 - 0502. [Journal Website] [Article Download]

 

2006

Nunes, C., Pinto, I. and Mexia, J. T. (2006). F and Selective F tests with balanced cross-nesting and associated models. In Discussiones Mathematicae Probability and Statistics. Vol 26(2), pp 193 - 205. [Journal Website] [Article Download]

 

Nunes, C. and Mexia, J. T. (2006). Non-central generalized F distributions. In Discussiones Mathematicae Probability and Statistics. Vol 26(1), pp 47 - 61. [Journal Website] [Article Download]

 

2005

Dias, G., Alves, E. and Nunes, C. (2005). Topic Segmentation: How Much Can We Do By Counting Words And Sequences of Words. A Pliska Studia Mathematica Bulgarica Journal. N. Yanev (eds). Vol 17, pp 39 - 70, ISSN 02049805. [Article Download]

 

2004

Nunes, C. and Mexia, J. T. (2004). Selective generalized F tests. In Discussiones Mathematicae Probability and Statistics. Vol 24(2), pp 281 - 288. [Journal Website] [Article Download]

 

2003

Nunes, C. and Mexia, J. T. (2003). Selective F tests for sub-normal models. In Discussiones Mathematicae Probability and Statistics. Vol 23(2), pp 167 - 174. [Journal Website] [Article Download]

2016

Santos, C., Nunes, C., Dias, C., Varadinov, M. and Mexia, J.T. (2016). Imbedding linear regressions in models for factor crossing. AIP Conference Proceedings of ICCMSE 2016, 1790, 140005 (2016). doi: abs/10.1063/1.4968734

Ferreira, S.S, Ferreira, D., Nunes, C. and Mexia, J.T. (2016). Estimation in Models with Commutative Orthogonal Block Structure, Imbedded Orthogonality. Stochastic Modeling, Data Analysis and Statistical Applications. Publisher:2015 by ISAST, Editor: Lidia Filus, Teresa Oliveira, Christos H. Skiadas, pp 315-323. ISBN (e-book): 978-618-5180-11-9 

 

2015

Nunes, C., Capistrano, G., Ferreira, D., Ferreira, S.S. and Mexia, J.T. (2015). One-way Fixed Effects ANOVA with Missing Observations. In Proceedings of the 12th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM'14). Rhodes, Greece, 22 - 28 September. AIP Conf. Proc. Vol. 1648, 110008; DOI: 10.1063/1.4912415. [Conference Website][Article Download]

 

Ferreira, D., Ferreira, S.S., Nunes, C. and Mexia, J.T. (2015).Estimation of variance components in normal linear mixed models with additivity. In Proceedings of the 12th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM'14). Rhodes, Greece, 22 - 28 September. AIP Conf. Proc. Vol. 1648, 110007; DOI: 10.1063/1.4912414. [Conference Website][Article Download]

 

Capistrano, G., Nunes, C., Ferreira, D., Ferreira, S.S. and Mexia, J.T. (2015). One-way Random Effects ANOVA with Random Sample Sizes: An Application to a Brazilian Database on Cancer Registries. In Proceedings of the 12th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM'14). Rhodes, Greece, 22 - 28 September. AIP Conf. Proc. Vol. 1648, 110009; DOI:10.1063/1.4912416. [Conference Website][Article Download]

 

2014

Campos, R., Dias, G., Jorge, A. and Nunes, C. (2014). GTE-Rank: Searching for Implicit Temporal Query Results. In Proceedings of the 23rd ACM International Conference on Information and Knowledge Management (CIKM 2014) Shanghai, China, November 3 - 7, ISBN 978-1-4503-2598-1, pp 2081 - 2083. DBLP. ACM Press. Scopus. Acceptance Rate: 39%. [Conference Website] [Article Download]

 

Campos, R., Dias, G., Jorge, A., and Nunes, C. (2014). GTE-Cluster: A Temporal Search Interface for Implicit Temporal Queries. In M. de Rijke et al. (Eds.), Lecture Notes in Computer Science, - 36th European Conference on Information Retrieval (ECIR2014). Amesterdam, Netherlands, 13 - 16 April. (Vol. 8416-2011, pp. 775 - 779). DBLP. Springer. Thomson ISI Web of Knowledge. ACM Press. [Conference Website][Article Download]

 

2013

Nunes, C., Capistrano, G., Ferreira, D. and Ferreira, S.S. (2013). ANOVA with Random Sample Sizes: An Application to a Brazilian Database on Cancer Registries. In Proceedings of the 11th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM'13). Rhodes, Greece, 21 - 27 September. AIP Conf. Proc. Vol. 1558, 825-828(2013); doi: 10.1063/1.4825623. [Conference Website][Article Download]

 

Ferreira, D., Ferreira, S.S., Nunes, C. and Inácio, S.  (2013). Inducing pivot variables and non-centrality parameters in elliptical distributions. In Proceedings of the 11th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM'13). Rhodes, Greece, 21 - 27 September. AIP Conf. Proc. Vol. 1558, 833-836(2013); doi: 10.1063/1.4825625. [Conference Website][Article Download]

 

2012

Campos, R., Jorge, A., Dias, G. and Nunes, C. (2012). Disambiguating Implicit Temporal Queries by Clustering Top Relevant Dates in Web Snippets. In Proceedings of The 2012 IEEE/WIC/ACM International Joint Conferences on Web Intelligence and Intelligent Agent Technologies Macau, China, 04 - 07 December, Vol. 1, pp 1 - 8. IEEE Computer Society Press. ACM Press. Scopus. ISBN: 978-0-7695-4880-7. [Conference Website] [Article Download]

 

Campos, R., Dias, G., Jorge, A. and Nunes, C. (2012). GTE: A Distributional Second-Order Co-Occurrence Approach to Improve the Identification of Top Relevant Dates in Web Snippets In Proceedings of the 21st ACM International Conference on Information and Knowledge Management (CIKM 2012) Maui, Hawaii, October 29 - November 02, ISBN 978-1-4503-1156-4, pp 2035 - 2039. DBLP. ACM Press. Scopus. Acceptance Rate: 14.3%. [Conference Website] [Article Download]

 

Nunes, C., Ferreira, D., Ferreira, S.S., Oliveira, M.M. and Mexia, J.T. (2012). One-way Random Effects ANOVA: An Extension to Samples with Random Size. In Proceedings of the 10th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM 2012). Kos, Greece, September 19 - 25. AIP Conf. Proc. Vol. 1479, 1678 - 1681(2012); doi: 10.1063/1.4756492. [Conference Website] [Article Download]

 

Ferreira, D., Ferreira, S.S., Nunes, C. and Mexia, J.T. (2012). Confidence regions for variance components using inducing pivot variables. In Proceedings of the 10th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM 2012). Kos, Greece, September 19 - 25. AIP Conf. Proc. Vol. 1479, 1682-1685(2012); doi: 10.1063/1.4756493. [Conference Website] [Article Download]

 

Ferreira, S.S., Ferreira, D., Nunes, C. and Mexia, J.T. (2012).Linear and Quadratic Sufficiency and Commutativity. In Proceedings of the 10th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM 2012). Kos, Greece, September 19 - 25. AIP Conf. Proc. Vol. 1479, 1682-1685(2012); doi: 10.1063/1.4756496. [Conference Website] [Article Download]

 

2011

Mexia, J. T., Nunes, C. and Oliveira, M.M. (2011). Multivariate application domains for the Delta method. In Proceedings of the 9th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM 2011). Halkidiki, Greece, September 19 - 25. AIP Conf. Proc. Vol 1389, pp 1486 - 1489. [Conference Website] [Article Download]

 

Mexia, J.T., Nunes, C., Ferreira, D., Ferreira, S.S. and Moreira, E. (2011). Orthogonal fixed effects ANOVA with random sample sizes. In Proceedings of the 5th International Conference on Applied Mathematics, Simulation, Modelling (ASM'11). Corfu Island, Greece, July 14 - 16. ISBN 978-1-61804-016-9. [Conference Website] [Article Download]

 

2010

Nunes, C., Ferreira, D., Ferreira, S. S. and Mexia, J. T. (2010). F tests with random sample sizes. In Proceedings of the 8th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM 2010). Rhodes Island, Greece, September 19 - 25. AIP Conf. Proc. Vol 1281, pp 1241 - 1244. [Conference Website] [Article Download]

 

Ferreira, D., Ferreira, S. S., Nunes, C. and Mexia, J. T. (2010). Maximum likelihood estimation methods for variance components in linear non-orthogonal small size design models. In Proceedings of the 8th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM 2010). Rhodes Island, Greece, September 19 - 25. AIP Conf. Proc. Vol 1281, pp 1233 - 1236. [Conference Website] [Article Download]

 

Ferreira, S. S., Ferreira, D., Nunes, C. and Mexia, J. T. (2010). Crossing Segregated Commutative Orthogonal Block Structure. In Proceedings of the 8th International Conference on Numerical Analysis and Applied Mathematics (ICNAAM 2010). Rhodes Island, Greece, September 19 - 25. AIP Conf. Proc. Vol 1281, pp 1229 - 1232. [Conference Website] [Article Download]

 

2007

Pinto, I., Nunes, C. and Mexia, J.T. (2007). Additive Model for Environmental Indexes. In Proceedings of the 56th session of the International Statistical Institute. Lisboa, Portugal, August 22 - 29. [Conference Website] [Article Download]

 

Santos, C., Nunes, C. and Mexia, J.T. (2007). OBS, COBS and Mixed Models associated to commutative Jordan Algebra. In Proceedings of the 56th session of the International Statistical Institute. Lisboa, Portugal, August 22 - 29. [Conference Website] [Article Download]

 

Nunes, C., Ferreira, D., Saraiva, S. and Mexia, J.T. (2007). Distribuições F generalidadas para parâmetros de não centralidade fixos e aleatórios. In Proceedings of the XIV Congresso Anual da Sociedade Portuguesa de Estatística. Covilhã, September 27 - 30, pp 561 - 572, ISBN 978-972-8890-12-4.

 

Santos, C., Nunes, C. and Mexia, J.T. (2007). Modelos com estrutura comutativa ortogonal por blocos e estatísticas relevantes. In Proceedings of the XIV Congresso Anual da Sociedade Portuguesa de Estatística. Covilhã, September 27 - 30, pp 709 - 716, ISBN 978-972-8890-12-4.

 

2006

Pinto, I., Nunes, C. and Mexia, J.T. (2006). The use of Joint Regression Analysis on the management of Plant Breeding Programs. In Proceedings of the Biometrické metody a modely v soucasné vede a vyzkumu. Brno, Czech Republic.

 

Campos, R., Dias, G. and Nunes, C. (2006). WISE: Hierarchical Soft Clustering of Web Page Search Results based on Web Content Mining Techniques. In Proceedings of The 2006 IEEE/WIC/ACM International Joint Conferences on Web Intelligence and Intelligent Agent Technology Hong Kong, China, 18 - 22 December, pp 301-304. IEEE Computer Society Press. DBLP. ACM - DL. Scopus. ISBN:0-7695-2747-7. [Conference Website] [Article Download]

 

2005

Ferreira, D., Saraiva, S., Nunes, C. and Mexia, J. T. (2005). Par de modelos com encaixe. In Proceedings of the XII Congresso Anual da Sociedade Portuguesa de Estatística. Évora, Portugal. September 29 - October 02, pp 275 - 279.

 

2004

Nunes, C. and Mexia, J. T. (2004). Testes F generalizados para componentes de variância. In Proceedings of the XI Congresso Anual da Sociedade Portuguesa de Estatística. Faro, Portugal. September 24 - 27, pp 521 - 527, ISBN 972-8890-01-X.

 

2001

Nunes, C. and Mexia, J. T. (2001). Testes F em Modelos Subnormais. In Proceedings of the VIII Congresso Anual da Sociedade Portuguesa de Estatística. Peniche, Portugal. October 04 - 07, pp 287 - 292, ISBN 972-98619-2-7.

2012

Campos, R., Dias, G., Jorge, A. and Nunes, C. (2012). Enriching Temporal Query Understanding through Date Identification: How to Tag Implicit Temporal Queries? In Proceedings of the 2nd International Temporal Web Analytics Workshop (TWAW 2012) associated to 21th International World Wide Web Conference (WWW2012). Lyon, France, 17 April. ISBN 978-1-4503-1188-5, pp 41 – 48. DBLP. ACM - DL. Scopus. Acceptance Rate: 35.3%. [Conference Website] [Workshop Website] [Article Download]

 

2000

Nunes, C. and Mexia, J. T. (2000). Perturbations in Sub-normal Models. In Proceedings of the15th International Workshop on Statistical Modelling. Bilbao, Spain. July 17 - 21, pp 485 - 488, ISBN 84-7585-217-3.