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Aproximadamente 405 registro(s) hasta el momento: (datos)

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Recurso libre

Interannual deviations of long-term data from observations and contrasting with reanalysis data from the oceanic station at Islas Marías, Nayarit, Mexico, Interannual deviations of long-term data from observations and contrasting with reanalysis data from the oceanic station at Islas Marías, Nayarit, Mexico
PALACIOS-HERNÁNDEZ, E.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - BRITO-CASTILLO, L. - CARRILLO, L. - TERESHCHENKO, I.

Formato:	,
Enlaces:	We prepared a synthesis of historical weather conditions for Isla María Madre (1922-1989) to reflect conditions that impact the mainland of México. Observations were compared with regional reanalysis (RR) data in the same area. The results indicate that air temperature,…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

Recurso libre

Seguridad en la administración y calidad de los datos de un sistema de información contable en el desempeño organizacional, Security in the data management and quality of accounting information systems for organizational performance
Melchor Medina, José - Lavín Verástegui, Jesús - Pedraza Melo, Norma Angélica

Formato:
Enlaces:	La información se manifiesta como factor de incidencia para las organizaciones en la concepción y persistencia de ventajas competitivas; sin embargo, en últimas fechas se ha visto amenazada por los altos niveles de inseguridad en su manejo. Este trabajo analiza…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

Recurso libre

NITROGEN DIOXIDE DOAS MEASUREMENTS FROM GROUND AND SPACE: COMPARISON OF ZENITH SCATTERED SUNLIGHT GROUND-BASED MEASUREMENTS AND OMI DATA IN CENTRAL MEXICO, NITROGEN DIOXIDE DOAS MEASUREMENTS FROM GROUND AND SPACE: COMPARISON OF ZENITH SCATTERED SUNLIGHT GROUND-BASED MEASUREMENTS AND OMI DATA IN CENTRAL MEXICO
Rivera, Claudia; Centro de Ciencias de la Atmósfera - UNAM Universidad Nacional Autónoma de México Circuito Exterior s/n, Ciudad Universitaria 04510 México D.F. MEXICO - Stremme, Wolfgang; Centro de Ciencias de la Atmósfera - UNAM Universidad Nacional Autónoma de México Circuito Exterior s/n, Ciudad Universitaria 04510 México D.F. MEXICO - Grutter, Michel; Centro de Ciencias de la Atmósfera - UNAM Universidad Nacional Autónoma de México Circuito Exterior s/n, Ciudad Universitaria 04510 México D.F. MEXICO

Formato:	,
Enlaces:	The use of satellite data in combination with ground-based measurements can provide valuable information about atmospheric chemistry and air quality. In this study, ground-based Differential Optical Absorption Spectroscopy (DOAS) measurements of nitrogen dioxide (NO2) conducted in central Mexico are compared…
Fecha:	2013-06-28
Recurso:	Revistas UNAM

Recurso libre

Analysis of the determinants of CSR disclosure in Spanish listed companies, Analysis of the determinants of CSR disclosure in Spanish listed companies, Análisis de los factores determinantes de la transparencia en RSC en las empresas españolas cotizadas
Testera Fuertes, Adrian; Universidad de León - Cabeza García, Laura; Universidad de León

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Purpose: This paper aims to analyse in depth the determinants of disclosure of corporate social activities. In particular, it is focused on a barely considered factor: ownership structure. Design/methodology/approach: Using a sample of Spanish listed companies in 2008 we employed…
Fecha:	2013-01-28
Recurso:	Intangible capital

Recurso libre

La importancia de los mecanismos de coordinación organizativa en la excelencia del sistema español de trasplantes, The importance of the mechanisms for the organizational coordination in the Excellence of the Spanish Transplant System, The importance of the mechanisms for the organizational coordination in the excellence of the Spanish transplant system
De Pablos Heredero, Carmen; Universidad Rey Juan Carlos - Lopez Berzosa, David; IE Business School

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Purpose: To analyze from an organizational perspective the main critical success factors in the National Transplant System.Design/methodology: Deep interviews with different managerial positions at the system, the National Transplant Organization, coordination units at hospitals and local coordination authorities.Findings: Description of the National…
Fecha:	2012-04-28
Recurso:	Intangible capital

Recurso libre

The panorama of integrated marketing communication policies and the managemeng of CSR in mexican SME’S, El panorama de las políticas de comunicación integral y gestión de la RSC en las PYMES mexicanas, The panorama of integrated marketing communication policies and the managemeng of CSR in mexican SME’S
Carrillo, Maria-Victoria; Universidad de Extremadura - Tato, Juan Luis; Universidad de Extremadura - Garcia, Maria; Universidad de Extremadura

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Purpose: In this paper we study Integrated Marketing Communication policies and the management of image and CSR in a sample of three Mexican states SME’s.Design/methodology/approach: It is designed a research with a panel of 105 SME’s from Jalisco, Colima and…
Fecha:	2013-01-28
Recurso:	Intangible capital

Recurso libre

Cluster analysis for validated climatology stations using precipitation in Mexico, Cluster analysis for validated climatology stations using precipitation in Mexico
BRAVO CABRERA, J. L.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - AZPRA ROMERO, E. - ZARRALUQUI SUCH, V. - GAY GARCÍA, C. - ESTRADA PORRÚA, F.

Formato:	,
Enlaces:	Annual average of daily precipitation was used to group climatological stations into clusters using the k-means procedure and principal component analysis with varimax rotation. After a careful selection of the stations deployed in Mexico since 1950, we selected 349 characterized…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

Recurso libre

Variations in aerosol optical and microphysical properties during an Indian festival observed with space-borne and ground-based observations, Variations in aerosol optical and microphysical properties during an Indian festival observed with space-borne and ground-based observations
VIJAYAKUMAR, K.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - DEVARA, P. C. S.

Formato:	,
Enlaces:	This study analyzes changes in the response of meteorological parameters, aerosol, ozone, and water vapor properties over a tropical urban station in Pune, India, using ground-based and satellite data sets from February 23 to March 4, 2010 covering the Holi…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

Recurso libre

ANALYSIS OF INDICES OF EXTREME TEMPERATURE EVENTS AT APIZACO, TLAXCALA, MEXICO: 1952-2003, ANALYSIS OF INDICES OF EXTREME TEMPERATURE EVENTS AT APIZACO, TLAXCALA, MEXICO: 1952-2003
Lopez Diaz, Fanny; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - Conde, Cecilia; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - Sánchez, Oscar; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México

Formato:	,
Enlaces:	In recent years in Mexico and around the world, the scientific community has shown great interest in acquiring knowledge regarding the behavior of extreme climate events due to their increasing number and intensity. The objective of this research was to…
Fecha:	2013-06-28
Recurso:	Revistas UNAM

Recurso libre

10.

An analysis of the variables that provide a supply chain with sustainable competitiveness, An analysis of the variables that provide a supply chain with sustainable competitiveness, Análisis de las variables que proporcionan una competitividad sostenible de la cadena de suministro
Arana-Solares, Iván A.; Tecnológico de Monterrey - Alfalla-Luque, Rafaela; University of Seville - Machuca, José A.D.; Universidad de Sevilla

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Purpose: An agile, adaptable and aligned (Triple A) supply chain (SC) would seem to be key to obtaining sustainable competitive advantages. Little previous research has been done into the topic, however, and there are even discrepancies on the conceptual level.…
Fecha:	2012-04-28
Recurso:	Intangible capital

Recurso libre

11.

Analysis of interdecadal variability of temperature extreme events in Argentina applying EVT, Analysis of interdecadal variability of temperature extreme events in Argentina applying EVT
TENCER, B.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - RUSTICUCCI, M.

Formato:	,
Enlaces:	The frequency of occurrence of temperature extreme events has changed throughout the last century: significant positive trends in warm nights and negative trends in cold nights have been observed all over the world. In Argentina, the probability of occurrence of…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

Recurso libre

12.

The multi-agent system architecture in SEWASIE
Fillottrani, Pablo Rubén

Formato:	Articulo, Articulo
Enlaces:	We describe the design, implementation and deployment of the multi-level agent-based system architecture developed for the SEWASIE project. The aim of the system is to help the user in querying heterogeneous data sources which are integrated by means of ontologies.…
Fecha:	2008-05-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

The Need for a New Look at the Taxonomy of the Protists
Corliss, J. O.

Formato:	Artículo
Enlaces:	As the research literature on the protists continues to grow, new data -- especially of an ultrastructural or molecular nature -- are accumulating that bear directly on the systematics (as well as evolution and phylogeny) of these biologically diverse forms…
Fecha:	2013-08-07
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

14.

Developing a Repository of Knowledge for virtual communities with semantic web technologies
Casalini, María Clara - Estevez, Elsa Clara - Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The appearance and continuous growth of virtual communities on the web imposes the challenge of coping with the large amount of information and knowledge these communities produce. The Semantic Web with its set of standards and technologies provides the basic…
Fecha:	2012-09-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

Design of a service-oriented architecture for federated systems
Calegari, Daniel - Viera, Marcos - Motz, Regina

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	A Federated System is a collection of independent, cooperative, possibly heterogeneous and autonomous computer systems (usually database systems) which allows sharing all or some of its data. A Service-oriented Architecture is an application architecture whose functionalities are defined as independent…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

Design of a service-oriented architecture for federated systems
Calegari, Daniel - Viera, Marcos - Motz, Regina

Formato:	Articulo, Articulo
Enlaces:	A Federated System is a collection of independent, cooperative, possibly heterogeneous and autonomous computer systems (usually database systems) which allows sharing all or some of its data. A Service-Oriented Architecture is an application architecture whose functionalities are defined as independent…
Fecha:	2008-05-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

Towards the verification of RAISE specifications through Model Checking
Perna, Juan Ignacio - George, Chris W.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Ensuring the correctness of a given software component has become a crucial aspect in Software Engineering and the Model Checking technique provides a fully automated way to achieve this goal. In particular, the usage of Model Checking in formal languages…
Fecha:	2012-09-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

Improving use case definition using enterprise communication networks
Luzuriaga, Juan Manuel

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Although researchers noted the importance of effective communication among stakeholders, it continues to be a challenge for requirements engineering. Communication can be considered as a management tool since communication allows organisation’s personnel to produce a cohesive enterprise view. In this…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

Contenido de acido 5-cafepoilquínico y cafeína en bebidas de yerba mate (Ilex paraguariensis), The chlorogenic acid and caffeine content of yerba maté (Ilex paraguariensis) beverages
Markowicz Bastos, Deborah H. - Fornari, Ana Claudia - Queiroz, Yara S. de - Manolio Soares, Rosa Aparecida - Torres, Elizabeth A. F. S.

Formato:	Articulo, Comunicacion
Enlaces:	El objetivo de este trabajo fue el de analizar el contenido de cafeína y ácido 5-cafeoilquínico (5-cqa) en bebidas tales como chimarrão, tererê y maté té. La determinación de estos compuestos se realizó por HPLC. Las bebidas a base de…
Fecha:	2008-10-27
Recurso:	Unversidad Nacional de La Plata

Recurso libre

20.

Classifying software requirement prioritization approaches
Martínez Carod, Nadina - Cechich, Alejandra

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Defining software requirements is a complex and difficult process, which often leads to costly project failures. Requirements emerge from a collaborative and interactive negotiation process that involves heterogeneous stakeholders (people involved in an elicitation process such as users, analysts, developers,…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

CCMini: a prototype of certifying compiler based on annotated abstract syntax trees
Bavera, Francisco - Nordio, Martín - Medel, Ricardo - Aguirre, Jorge - Baum, Gabriel Alfredo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Certifying compilers use static information of a program to verify that it complies with certain security properties and to generate certified code. To do so, those compilers translate the source program into an annotated program written in some intermediate language.…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

22.

Semantic document indexing in ontology-driven organizational memories
Ale, María Alejandra - Galli, María Rosa - Chiotti, Omar Juan Alfredo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Effective document retrieval using domain knowledge and semantics is one of the major challenges in Information Retrieval. Over the last years, there has been a growing interest in ontologies as an artifact for human knowledge representation and a critical component…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

23.

A UML profile to model classifier refinements
Correa, Natalia - Giandini, Roxana Silvia - Pons, Claudia

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The refinement technique allows us to capture the relationship between specification and implementation in software developments. The precise documentation of the refinement relations hip makes it possible the traceability of the requirements through the refinement steps. Unfortunately, the standard modelling…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

24.

Tower generic data processing
Necco, Claudia Mónica - Nuno Olivera, J.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Many aspects of data processing are functional in nature and can take advantage of recent developments in the area of functional programming and calculi. The work described in this paper is an attempt to contribute to this line of thought,…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

25.

Extending message-oriented middleware
Estevez, Elsa Clara - Janowski, Thomas

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Different types of middleware exist to facilitate the integration of software running on heterogeneous computing platforms. Message Oriented Middleware (MOM), for instance, enables the interaction between heterogeneous applications by exchanging packets of structured data (messages) through communication channels. The core…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

Management model for measurement infrastructure
Battisti, Gerson - Tarouco, Liane M. R. - Granville, Lisandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The evaluation of metric of performance is useful in the evaluation of protocols, in the improvement of applications, in the content choice, among others. The obtaining of these metrics, it continues being a complex task because most of the time…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

Software process improvement behavior of small and medium organizations in Argentina
Colla, Pedro E. - Montagna, Jorge Marcelo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Este artículo reporta el trabajo de investigación realizado en base a datos extraídos de la Encuesta Anual realizada por la CESSI durante el año 2007 entre organizaciones dedicadas al desarrollo de Software en Argentina. Si bien la temática de mejora…
Fecha:	2012-10-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

Requirements elicitation applied to electronic voting system
Thomas, Pablo Javier - Oliveros, Alejandro

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Nowadays, technology has become the key element to carry out the management, organization and fulfillment of the electoral process. The electoral process should be understood as the actions that entail the making of the electoral roll, citizen identification, the act…
Fecha:	2012-10-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

Precompilation: an alternative approach to provide native generic programming support in C++
Gutson, Daniel F. - Alarcón, Román

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	In C++, Generative Programming (GP) techniques are being used to generate highly customized and optimized products automatically manufactured at compile-time; to provide these functionalities increasing compiling power is required. This work presents an improved compilation model for C++ by adding…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

30.

A software product line experience
Andriano, Natalia Valeria - Kirch, Jorge - Zibecchi, Mariano

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Previous work in software product lines showed an increment of up to 10 times in productivity and product quality [SEI Prod_Line]; because of this, the software product line approach is critical for the success of a development project including a…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

31.

A managerial framework for an electronic government procurement project: complex software projects management fundamentals
Uzal, Roberto - Montejano, Germán Antonio - Riesco, Daniel Eduardo - Uzal, Javier

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	An Electronic Government Procurement (e-GP) project, as most of complex software systems development and implantation, requires sophisticated and strong managerial concepts and skills. So, an effective and consistent managerial framework is needed. Traditional project management models, that propose a series…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

32.

A wrapper&mediator prototype for web data warehouses
Giaudrone, Verónica - Guerra, Marcelo - Vaccaro, Marcelo - Motz, Regina - Marotta, Adriana

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	There is a lot of information published on the Web that can be useful for decision-making. The work reported in this paper focuses on how to extract and integrate this information in order to construct a Data Warehouse that makes…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

33.

Stakeholder selection for business processes support systems in interorganizational environments
Ballejos, Luciana C. - Montagna, Jorge Marcelo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	This work presents a methodology with basic steps to follow before developing Interorganizational Information Systems (IOSs), which constitute the support for the execution of business processes (BPs) in new structural forms made up of various organizations, called Interorganizational Networks (IONs).…
Fecha:	2012-10-29
Recurso:	Unversidad Nacional de La Plata

Recurso libre

34.

Ontologies for the semantic web
Vallés, María Clara - Fillottrani, Pablo Rubén

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Semantic Web attempts to reach a state in the future where everything on the Web will no longer be only machine-readable, but also machine-understandable. An ontology is an explicit specification of a conceptualization. A conceptualization is an abstract, simplified…
Fecha:	2012-09-07
Recurso:	Unversidad Nacional de La Plata

Recurso libre

35.

Data warehouse design with UML
Luján Mora, Sergio

Formato:	info:eu-repo/semantics/doctoralThesis
Enlaces:	Descripción completa.
Fecha:	2009-07-07
Recurso:	RUA Docencia

Recurso libre

36.

Proposal of an ontology based web search engine
Deco, Claudia - Bender, Cristina - Ponce, Adrián

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	When users search for information in a web site, sometimes they do not get what they want. Assuming that the scope where the search take place works fine, there are some problems caused by the way the user interact with…
Fecha:	2012-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

37.

Semantic Interoperability Middleware – enabling collaborative networks in public sector
Sanchez, Alejandro - Estevez, Elsa Clara - Janowski, Thomas - Ojo, Adegboyega

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Electronic Government initiatives, such as seamless public services delivered at one-stop government portals, require establishing collaborative networks among public- and private-sector organizations. However, semantic interoperability problems emerge as these organizations may differ in the terms and meanings they use to…
Fecha:	2012-10-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

38.

Temporal validation of extended workflow processes by means Petri Nets with Clocks
Riesco, Daniel Eduardo - Vilallonga, Gabriel Domingo - Montejano, Germán Antonio - Uzal, Roberto - Welch, Daniel - Gallina, Sergio Hilario

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	At present the business processes have temporary requirements within their specifications. Logistics, e-commerce, are examples of these, among others. The time involved in business processes is important regarding the interaction of the actors. The sound of the technology involved in…
Fecha:	2012-10-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

39.

An integrated improvement framework for sharing assessment lessons learned
Rubio, Diego Martín - Andriano, Natalia Valeria - Ruiz de Mendarozqueta, Alvaro - Bartó, Carlos

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Nowadays, an increasing number of companies are using process improvement models as a mean to improve the quality of their processes and therefore the quality of their products and services. Although various improvement frameworks exist that provide organizations with aids…
Fecha:	2012-10-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

40.

Driving to a fast IMS feature vector computing
Fernández, Jacqueline - Guerrero, Roberto A. - Miranda, Natalia - Piccoli, Fabiana

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	La creciente cantidad de imágenes transmitidas a través de Internet ha llevado al desarrollo de Sistemas de Minería de Imágenes de propósito general. La performance de un SMI depende en gran medida de una rápida y buena especificación del vector…
Fecha:	2012-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

41.

Antifouling effect of two saturated copper coatings applied on carbon steel structures, Efecto antifouling de dos cubiertas saturadas de cobre aplicadas sobre estructuras de acero al carbono
Guiamet, Patricia - Saravia, Sandra Gómez de

Formato:	Articulo, Articulo
Enlaces:	Biofouling is the colonization of man-made substrata by sessile organisms. The aim of this paper is to evaluate the performance of two antifouling saturated copper coating. Bioassays were can-ied out at a harbor in Argentine (38°02'S-57°32'W). During six months, one…
Fecha:	2013-09-02
Recurso:	Unversidad Nacional de La Plata

Recurso libre

42.

Knowledge gaps in scientific literature on maternal mortality: a systematic review, Lagunas en las publicaciones científicas sobre la mortalidad materna: revisión sistemática, Lacunes de la littérature scientifique sur la mortalité maternelle mises en évidence par une revue systématique de cette littérature
Gil González, Diana - Carrasco Portiño, Mercedes - Ruiz Cantero, María Teresa

Formato:	info:eu-repo/semantics/article
Enlaces:	Issues related to maternal mortality have generated a lot of empirical and theoretical information. However, despite the amount of work published on the topic, maternal mortality continues to occur at high rates and solutions to the problem are still not…
Fecha:	2008-03-13
Recurso:	RUA Docencia

Recurso libre

43.

Integration of web-based forms with ontologies in the semantic web
Gómez, Sergio Alejandro - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	La noción de formularios como una manera de organizar y presentar datos ha sido usada desde el comienzo de la World Wide Web. Los formularios web han evolucionado junto con el desarrollo de nuevos lenguajes de marcado, en los cuales…
Fecha:	2012-09-28
Recurso:	Unversidad Nacional de La Plata

Recurso libre

44.

Two new species and distribution records of the genus Acroleucus in Mexico (Hemiptera: Heteroptera: Lygaeidae: Lygaeinae).
Brailovsky, H. - Cervantes, L

Formato:	Artículo
Enlaces:	The genus Acroleucus Stål from México is revised. Two new species A. calvatus and A. tensus are described and illustrated. New distribution records are presented, as well as comments on the host plants for some of the species. A revised…
Fecha:	2013-11-20
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

45.

Missing mixed mode: elemental structures, Estructuras básicas de los valores perdidos en encuestas con modos mixtos
Alaminos Chica, Antonio

Formato:	info:eu-repo/semantics/annotation
Enlaces:	One of the main concerns is the nature of the missing values. Let’s consider extremes for simplicity. If missing at random we have not to care about. But if missing shows structures that covariate with substantive variables we have to…
Fecha:	2013-01-16
Recurso:	RUA Docencia

Recurso libre

46.

Burnout among elementary school teachers and their work performance, Burnout en profesores de primaria y su desempeño laboral
Rionda Arjona, Ariadnne; Facultad de Estudios Superiores Iztacala, UNAM, - Mares Cárdenas, María Guadalupe; Facultad de Estudios Superiores Iztacala, UNAM,

Formato:	articulo empirico, , ,
Enlaces:	Significant levels of the burnout syndrome were encountered in a study of 304 elementaryschool professionals, teaching students at the 8 to 12 year level, in Mexico City, Mexico.A questionnaire containing demographic, employment, and productivity data wasanalyzed and correlated in the…
Fecha:	2011-09-28
Recurso:	Revistas UNAM

Recurso libre

47.

Four new additions to the araneofauna of Guanajuato state, Mexico
ARENAS-MONROY,José Carlos - GARCÍA-BALDERAS,Christian Martin - LUCIO-PALACIO,Cesar Raziel

Formato:	journal article
Enlaces:	Se presentan los datos de recolecta de cuatro nuevos registros de arañas para el estado de Guanajuato: Argiope argentata (Fabricius 1775), Castianeira dorsata (Banks 1898), C. plorans (O.P.Cambridge 1898) y Selenops gracilis Muma 1953. Adicionalmente, se proporcionan algunos datos de…
Fecha:	2012-08-01
Recurso:	SCIELO

Recurso libre

48.

Integrating the development of data mining and data warehouses via model-driven engineering
Zubcoff Vallejo, José Jacobo - Pardillo Vela, Jesús - Mazón López, José Norberto - Trujillo Mondéjar, Juan Carlos

Formato:	info:eu-repo/semantics/article
Enlaces:	Data mining is one of the most important analysis techniques to automatically extract knowledge from large amount of data. Nowadays, data mining is based on low-level specifications of the employed techniques typically bounded to a specific analysis platform. Therefore, data…
Fecha:	2012-03-08
Recurso:	RUA Docencia

Recurso libre

49.

Educación en valores a partir del evangelio de Mateo. Propuesta de formación para los niños y niñas de sexto y séptimo de educación general básica en la Escuela "Agustín María León" de la parroquia Canelos, Provincia de Pastaza.
Vargas Vargas, Oscar Arnulfo

Formato:	Thesis
Enlaces:	El presente trabajo de grado, fruto de la investigación con el tema “Educación en Valores a partir del Evangelio de Mateo. Propuesta de formación para los niños y niñas de sexto y séptimo de Educación General Básica”, realizada en la…
Fecha:	2013-03-06
Recurso:	Universidad Politécnica Salesiana

Recurso libre

50.

Weather Radar Estimations Feeding an Artificial Neural Network Model, Weather Radar Estimations Feeding an Artificial Neural Network Model
Cerda Villafaña, Gustavo - Ledesma, Sergio - Han, Dawei

Formato:	Artículo revisado por pares, Investigación, Research
Enlaces:	The application of ANNs (Artifi cial Neural Networks) has been studied by many researchers in modelling rainfall runoff processes. However, the work so far has been focused on the rainfall data from traditional raingauges. Weather radar is a modern technology…
Fecha:	2012-02-08
Recurso:	Acta Universitaria