Metabuscador

Filtrado por:

Temas

No aplica (405)
Arquivologia; Biblioteconomia; História; Educação; Sociologia; Psicologia; Direito; Ciência da Informação (275)
Revistas (160)
Artes y Humanidades (97)
Más...

Idiomas

Inglés (1350)
Español (922)
Portugués (419)
en (317)
Francés (233)
Más...

Recursos

Más...

Año

2014 (32)
2012 (429)
2010 (191)
2009 (77)
2008 (63)
2007 (25)
Más...

Aproximadamente 3629 registro(s) hasta el momento: (knowledge)

Mostrar 10 | 50 | 100 resultados por página

Recurso libre

CATCHING UP: THE RISE OF THE CHINESE WIND TURBINE INDUSTRY
Lefevre-Marton, Nicolas

Formato:	Academic dissertations (Ph.D.)
Enlaces:	This thesis argues that Chinese firms can catch up with the technological frontier in the scope of new climate friendly energy technologies and provides a detailed study of the case of wind power.
Fecha:	2013-05-08
Recurso:	Universidad de Princenton

Recurso libre

Los teatros de la muerte. Ficciones del cadáver en la modernidad (Colombia y México 1930 - 1960).
Hernandez Castellanos, Camilo Ernesto

Formato:	Academic dissertations (Ph.D.)
Enlaces:	The present dissertation postulates the dead body as a cultural signifier in which it is possible to read social, political, ethical, and aesthetic meanings and practices during the first half of twentieth century Latin America. Drawing from a close examination…
Fecha:	2013-05-08
Recurso:	Universidad de Princenton

Recurso libre

Magnifying Disaster: The Causes and Consequences of Home Underinsurance
Hassani, Sara Nephew

Formato:	Academic dissertations (Ph.D.)
Enlaces:	Existing surveys demonstrate that in the United States, most homeowners believe that their home insurance coverage will cover the complete costs to rebuild their home in the event of a total loss. Yet, most dwellings are insured for an amount…
Fecha:	2013-05-08
Recurso:	Universidad de Princenton

Recurso libre

Los jóvenes entre la historia y la política, Young people between history and politics. First approaches to representations of democracy, military and political participation of students in high school
Garriga, Maria C - Pappier, Viviana - Morras, Valeria

Formato:	Articulo, Articulo
Enlaces:	El presente trabajo forma parte del proyecto de investigación “Los jóvenes frente a la Historia” dirigido por Luis Cerri y Gonzalo de Amézola, cuyo objeto es abordar el estado actual de la enseñanza y del aprendizaje de la Historia en…
Fecha:	2013-11-08
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Automatic Parallelization for GPUs
Jablin, Thomas Benjamin

Formato:	Academic dissertations (Ph.D.)
Enlaces:	GPUs are flexible parallel processors capable of accelerating real applications. To exploit them, programmers rewrite programs in new languages using intimate knowledge of the underlying hardware. This is a step backwards in abstraction and ease of use from sequential programming.…
Fecha:	2013-05-08
Recurso:	Universidad de Princenton

Recurso libre

An evaluation of performance improvement within public sector construction framework agreements
Gale, Keith

Formato:	Thesis
Enlaces:	Context of this research: The construction industry has a history of client dissatisfaction in the UK. In response, framework agreements have been developed to create relationships between suppliers and clients in order to improve project performance. This research aims to…
Fecha:	2013-07-08
Recurso:	Anglia Ruskin University

Recurso libre

Managing workplace stress: an appreciative approach
Ravalier, Jermaine

Formato:	Thesis
Enlaces:	The presented thesis discusses an investigation conducted into the improvement of employee experiences of stress in the workplace. It is estimated that 11.4 million working days were lost in 2008-2009 due to stress-related outcomes, and that stress was described as…
Fecha:	2013-07-08
Recurso:	Anglia Ruskin University

Recurso libre

Silhouette-based human action recognition using sequences of key poses
Chaaraoui, Alexandros Andre - Climent Pérez, Pau - Flórez Revuelta, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	In this paper, a human action recognition method is presented in which pose representation is based on the contour points of the human silhouette and actions are learned by making use of sequences of multi-view key poses. Our contribution is…
Fecha:	2013-11-08
Recurso:	RUA Docencia

Recurso libre

Dynamic finite element analysis of hip resurfacing arthroplasty and the influence of resting periods
Jimenez-Bescos, Carlos

Formato:	Thesis
Enlaces:	The third generation of hip resurfacing commenced in the U.K. in the 1990’s with the Birmingham Hip Resurfacing system and is now becoming more commonplace as an attractive alternative for young and active patients due to premature failure in total…
Fecha:	2013-07-08
Recurso:	Anglia Ruskin University

Recurso libre

10.

Safeguarding Children? Child records in Accident and Emergency: the perspectives of staff
Forge, Joyce Agatha

Formato:	Thesis
Enlaces:	This case study of the use of hospital accident and emergency records to safeguard children was triggered by Lord Laming’s inquiry into the care of Victoria Climbié, his follow up report, and government legislation since 1948. Research on the use…
Fecha:	2013-07-08
Recurso:	Anglia Ruskin University

Recurso libre

11.

Reflective practitioning into emotion in an organisation
Arkell, David

Formato:	Thesis
Enlaces:	This thesis develops a new way of engaging emotion in a large organisation and develops a new form of organisational practice entitled “Reflective Emotional Practitioning.” The thesis argues that the concept of emotional intelligence as accepted in organisations represses rather…
Fecha:	2013-07-08
Recurso:	Anglia Ruskin University

Recurso libre

12.

Recent immigrant Muslim students in U.S. high schools: a study of sociocultural adjustment and multicultural provision
Domjan, Krisztina

Formato:	Thesis
Enlaces:	Rather limited research and few significant field studies have been done on recent immigrant students particularly from the Muslim societies of the Horn of Africa and the Middle East in the American high school context regarding their linguistic, cultural and…
Fecha:	2013-07-08
Recurso:	Anglia Ruskin University

Recurso libre

13.

Diseño de una planta procesadora de galletas utilizando harina de camote (Ipomoea Batata), ubicada en Guayllabamba provincia de Pichincha al nororiente de la ciudad de Quito
Cruz Zárate, Evelyn Magali - Vargas Herrera, María José

Formato:	Thesis
Enlaces:	Director: Heras, Gladys, Debido al acelerado estilo de vida en el cual se encuentran inmersas las personas, se identifico la oportunidad de satisfacer las necesidades nutricionales que todo organismo humano requiere. Tomando en cuenta que hoy en día, las delicias…
Fecha:	2011-09-08
Recurso:	Universidad de las Américas

Recurso libre

14.

Identificación de hidrocarburos aromáticos policíclicos (HAP’s) en peces y sedimentos en la zona de Shushufindi, Sucumbíos, Ecuador (primera parte)
Muñoz, Florinella - Barriga, Ramiro - Cabrera, María - Vera, Edison - López, Christian

Formato:	Article
Enlaces:	Los hidrocarburos aromáticos policíclicos (HAP’s) son compuestos claves en la determinación de la contaminación petrolera. Muchos de ellos son tóxicos y cancerígenos para los organismos vivos. En los ecosistemas acuáticos los HAP’s se incorporan a la biota del entorno y…
Fecha:	2011-11-08
Recurso:	Escuela Politécnica Nacional

Recurso libre

15.

Control of Renewable Integrated Systems Targeting Advanced Landmarks
Cirstea, Marcian N.

Formato:	Technical Report
Enlaces:	The CRISTAL project has had significant achievements in the coordination of the research work carried out by the consortium members on renewables, the enhancement of partners’ knowledge on Renewable Energy Sources and their integrated control and use, which contributes to…
Fecha:	2012-08-08
Recurso:	Anglia Ruskin University

Recurso libre

16.

Huile de palme rouge au Burkina Faso: Qualité et consommation par les femmes de la zone de production et impact sur leur statut en vitamine A
Bougma, Karim

Formato:	Thèse ou Mémoire numérique / Electronic Thesis or Dissertation
Enlaces:	Dans le cadre de la recherche d’appui à la phase III du projet huile de palme rouge (HPR) au Burkina Faso, une étude de base a porté sur 150 femmes de la zone de production échantillonnées par la méthode aléatoire…
Fecha:	2009-09-08
Recurso:	Université de Montreal

Recurso libre

17.

Knowledge Management and Organizational Resilience in Nigerian Manufacturing Organizations
Umoh, Godwin, Ikpe. - Amah, Edwinah

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	This study examines the relationship between knowledge management and organizational resilience. The sample for the study consisted of one hundred and twenty eight (128) employees from the thirty four manufacturing companies that are registered with the manufacturers Association of Nigeria,…
Fecha:	2013-10-01
Recurso:	Developing country studies

Recurso libre

18.

The NGOs’ Knowledge and Socio-economic Development: An Empirical Investigation in Bangladesh
Hasnain, Sheikh Shamim

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	This empirical study investigates the type of knowledge the NGOs (Non-Governmental Organisations) transfer to the beneficiaries in Bangladesh. About 22,000 NGOs are in operations in Bangladesh with a view to developing the socio-economic conditions of their beneficiaries. Knowledge transfer is…
Fecha:	2013-04-30
Recurso:	Information and knowledge management

Recurso libre

19.

Knowledge Management Strategies to Support Operational Security Requirements of Transmission System Operators of Electricity: the case of MAVIR
Bertalan, Zsolt - Csedo, Zoltan - Tamus, Adam

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	The Operational Security Network Code will provide the basis on European Union level for the power system to function with a satisfactory level of security and quality of supply, as well as efficient utilization of infrastructure and resources. It requires…
Fecha:	2013-10-31
Recurso:	Information and knowledge management

Recurso libre

20.

Developing Intellectual Asset by Knowledge Sharing
Ezigbo, Charity

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	The study seeks to determine the motivational factors that influence knowledge sharing, identify the obstacles to knowledge sharing, determine the nature of relationship between structural capital and human capital, and ascertain the extent of sharing knowledge in public sector organizations.…
Fecha:	2013-02-01
Recurso:	Information and knowledge management

Recurso libre

21.

Challenges in Preserving Indigenous Knowledge Systems: Learning From Past Experiences
Chiwanza, Kudzayi - Musingafi, Maxwell C.C. - Mupa, Paul

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	In this paper we focus on the challenges in preserving indigenous knowledge systems. We explore the challenges of managing indigenous knowledge in the context of intellectual property rights and bio-piracy threats. We analyse how indigenous knowledge affects the lives of…
Fecha:	2013-02-28
Recurso:	Information and knowledge management

Recurso libre

22.

Formation of Communities of Practice to Promote Openness in Education
Burgos-Aguilar, J. Vladimir - Mortera Gutiérrez, Fernando Jorge

Formato:	Elemento
Enlaces:	1. Academic’s knowledge mobilization , 2. Formation of a Community of Practice for a K-12 inter-institutional project, 3. K-12 schools participants and context, 4. Educational experiences from the research field, Conclusions
Fecha:	2013-04-25
Recurso:	DAR Escuela de Graduados en Educación del Sistema Tecnológico de Monterrey

Recurso libre

23.

Measuring the Effect of the Perception of Knowledge Management on its Utilization in Public Sector in Jordan: A comparative Study to Determine the Change in the Utilization of Knowledge Management Between 2004 – 2013
Hijazi, Haitham Ali - Al-hroot, Hadeel

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	This study aimed to trace the development of the implementation of knowledge management initiatives in the public sector institutions in Jordan. The study was compared with precedent study had been conducted in 2004. The results showed there is very little…
Fecha:	2013-11-29
Recurso:	Information and knowledge management

Recurso libre

24.

Three essays on knowledge teams
Lee, Kyung Young

Formato:	Electronic Thesis or Dissertation
Enlaces:	In contemporary organizations, it is common to encounter teams that are formed to create novel outcomes and that are supported by Information Communication Technologies (ICT). These knowledge teams are also formed by members with diverse expertise, in order to create…
Fecha:	2013
Recurso:	McGill University - MCGILL

Recurso libre

25.

Knowledge Era: Knowledge Management in Multinational Company – Role of KM in Project Management Scenario
S., Raveesh - M.C, Vinoda Kumara - K.V, Shobha - ., Kumara

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	Human society passed various stages like hunting and gathering society, peasant society, Industrial society and post- industrial society. Post – industrial society is recognized as ‘Knowledge Society’. Knowledge is more valuable product than any other goods in knowledge society. Today…
Fecha:	2013-05-28
Recurso:	Information and knowledge management

Recurso libre

26.

Problemas de Educación Corporal: coordenadas de un mapa presente y desafíos a futuro, Problems in Corporal Education: coordinates of a present map and future challenges
Gambarotta, Emiliano - Emiliozzi, María Valeria

Formato:	Articulo, Articulo
Enlaces:	Los paradigmas, las técnicas y las prácticas producto de tradiciones regulan las formas de transmisión del saber, estableciendo las concepciones de sujeto, así como las nociones de cuerpo, de prácticas corporales y, sobre todo, de cómo se educa lo “corporal”.
Fecha:	2013-03-15
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

Angewandten Biologie Forschung

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-06-28
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

28.

Annalen der Chemischen Forschung

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-06-10
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

29.

Journal der Pharmazie Forschung

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-06-26
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

30.

Acta de Gerencia Ciencia

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-07-05
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

31.

The Development of Tacit Knowledge Sharing Behaviour among Employees in Organizations
Mongkolajala, Miss Hathaiporn; Graduate student in Department of Management Information Systems Thammasat Business School, Thammasat University, Thailand - Panichpathom, Dr. Supeecha; Ph.D., Department of Management Information Systems Thammasat Business School, Thammasat University, Thailand - Ngarmyarn, Ph.D., Dr.Atcharawan; Department of Real Estate Business Thammasat Business School,Thammasat University, Thailand

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion, Peer-reviewed Article,
Enlaces:	Due to the economic growth in Thailand, many organizations have recognized the importance of maintaining their employees’ knowledge and tried to create the knowledge sharing environment. In general, knowledge sharing is initiated from an individual level and extended to organizational…
Fecha:	2013-07-03
Recurso:	International Journal of Business and Social Research

Recurso libre

32.

The Online Journal of Applied Knowledge Management

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-08-16
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

33.

Revue d'Anthropologie des Connaissances

Formato:	journal
Enlaces:	Descripción completa.
Fecha:	2013-11-28
Recurso:	Directory of Open Access Journals - DOAJ

Recurso libre

34.

Crítica de Gadamer al concepto del genio de Kant
Sánchez Ferrer, José Gregorio

Formato:	Texto
Enlaces:	La crítica que Gadamer hace a Kant se centra en a cuestionar sus postulados en torno al concepto de verdad y resaltar la subjetividad de lo estético. Gadamer sostiene que los conceptos de ciencia, conocimiento, verdad y método utilizados por…
Fecha:	2013-02-07
Recurso:	Universidad de los Andes Venezuela

Recurso libre

35.

Conocimiento y participación: ¿qué democracia?, Knowledge and participation: which democracy?
Parra Saiani, Paolo

Formato:	Articulo, Articulo
Enlaces:	A new impetus for recollecting information seems regaining appeal, maybe heir of the “social indicators movement”. The movement was an heir to the supporters of quantification in the Social Sciences, as numbers were believed to be objective and scientific per…
Fecha:	2013-03-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

36.

Los Problemas de las Gimnasias
Bulus Rossini, Viviana - Husson, Marcelo

Formato:	Articulo, Articulo
Enlaces:	Este artículo se propone sintetizar las principales ideas de las ponencias presentadas en la Mesa de Trabajo “Los problemas de las Gimnasias” que se desarrolló en el marco del 9° Congreso Argentino y 4° Latinoamericano de Educación Física y Ciencias…
Fecha:	2013-03-15
Recurso:	Unversidad Nacional de La Plata

Recurso libre

37.

Using Knowledge Management To Gain Competitve Advantage In Jordanian Pharmaceutical Industrial Organization
Abdel –Qader, Moh,d - Al-Duaij, Hamad Saleh - Nour, Mahmoud Ibrahim - Hussein, Majed Ismail

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	The ability to store, capture, and disseminate knowledge within and across pharmaceutical organizational boundaries has challenged manager for many years. However, as product lifecycles have decreased and environmental complexity and volatility have increase, the need tom manage knowledge is intensifying,…
Fecha:	2013-03-31
Recurso:	Information and knowledge management

Recurso libre

38.

Impact of Knowledge Management Processes on Organizational Performance: An Empirical Study in Institute of Technical Learning –Iraq
Alsalim, Moyaid S. - Mohamed, Nawal Y.

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	Even though knowledge in itself is nothing new, but how to effectively management it is a concern of all organizations, inclusive of university. In Iraq, there is concern by universities to manage knowledge scientifically in order to keep pace with…
Fecha:	2013-11-29
Recurso:	Information and knowledge management

Recurso libre

39.

Knowledge Acquisition and Organizational Resilience in Nigerian Manufacturing Organizations
Umoh, Godwin.Ikpe. - Amah, Edwinah

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	This study examines the relationship between knowledge acquisition and organizational resilience. The sample for the study consisted of one hundred and twenty eight (128) employees from the thirty four manufacturing companies that are registered with the manufacturers Association of Nigeria,…
Fecha:	2013-10-01
Recurso:	Information and knowledge management

Recurso libre

40.

Inside the States: building - up local management models for territorial sustainability
Karol, Jorge Leonardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	La Inteligencia Territorial requiere que actores con diferentes pertenencias y perfiles que inciden o controlan distintos tipos de conocimientos y recursos, desarrollen entre sí interacciones constructivas y potentes. El artículo explora algunas restricciones críticas que suelen entorpecer la capacidad de…
Fecha:	2013-08-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

41.

The knowledge in knowledge management
Nickols, Fred

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2011-03-02
Recurso:	Universidad Veracruzana

Recurso libre

42.

A graphic panorama of the freshwater algae from Mexico, Un Panorama gráfico de las algas de agua dulce de México
Novelo, E. - Tavera, R.

Formato:	Artículo
Enlaces:	The actual knowledge about the freshwater algae of Mexico is very uneven from various points of view, despite its recognized potential as indicators of environmental conditions and to be the basal part of trophic chains in aquatic environments. The largest…
Fecha:	2013-12-02
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

43.

Older people in unfamiliar environments: Assimilating a multi-disciplinary literature to a planning problem
Spaul, Martin - Hockey, Ann

Formato:	Article
Enlaces:	This article considers aspects of the assimilation of academic research to town planning guidelines and policies, in particular research conducted in terms, and with methodologies, remote from practical town planning processes. It grew out of an interdisciplinary project examining the…
Fecha:	2013-11-05
Recurso:	Anglia Ruskin University

Recurso libre

44.

¿Que es lo que toda "persona culta" debe saber?
Ruiz, Maria Clara - Oliveira, Bernardo J de

Formato:	Articulo, Articulo
Enlaces:	En este trabajo analizaremos comparativamente las ediciones en español y portugués de la enciclopedia El Tesoro de la Juventud. Así como en varios países del mundo, las traducciones de la enciclopedia The Book of Knowledge tuvieron enorme suceso editorial en…
Fecha:	2013-10-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

45.

Modelo para la Gestión de Programas en el Sector de Telecomunicaciones del Instituto Costarricense de Electricidad
Sánchez Loría, Javier

Formato:	Technical Report
Enlaces:	Implementing a model for Program Management in the Telecommunications Sector forced to watch the program management through a broader and a higher level than project management. Program management must be seen as part of the overall business strategy as a…
Fecha:	2013-03-21
Recurso:	Instituto Tecnológico de Costa Rica

Recurso libre

46.

Cysticercosis: present state of knowledge and perspectives.
Flisser, A. - Willms, K. - Laclett, J.P. - Larralde, C. - Ridaura, C. - Beltran, F.

Formato:	Article
Enlaces:	Descripción completa.
Fecha:	2011-12-07
Recurso:	Facultad de Ciencias - UNAM

Recurso libre

47.

Diseño e impementación de un Sistema de Auditoría Financiera para empresas de transporte público rural. Caso: Cooperativa de Trasnporte de Pasajeros Yaruquí.
Andrade Carvajal, Christian Alejandro

Formato:	Thesis
Enlaces:	This research includes the development of a "Design and Implementation of a Financial Audit System for Rural public transport companies, event: Passenger Transport Cooperative Yaruquí", is aimed at all those involved with the audit and racing purposes want to expand…
Fecha:	2013-01-31
Recurso:	Universidad Politécnica Salesiana

Recurso libre

48.

Knowledge Hub y los recursos educativos abiertos en Contaduría
Farías Martínez, Gabriela María

Formato:	Elemento
Enlaces:	Desafíos de la educación superior en México; Formación académica y profesional en contaduría; Knowledge Hub como medio para compartir y construir conocimiento; Iniciativa Knowledge Hub IES Contaduría
Fecha:	2013-09-12
Recurso:	DAR Escuela de Graduados en Educación del Sistema Tecnológico de Monterrey

Recurso libre

49.

Information and Knowledge Valuation using the Information Theory and Informative Matrices
Piedra-Calderón, Juan Carlos - Crespo, Rubén González - Rainer, J. Javier

Formato:	info:eu-repo/semantics/article, Peer-reviewed Article, info:eu-repo/semantics/publishedVersion
Enlaces:	For a more concrete analysis of the quantification of knowledge, one must normalize the quantification of data and information. One must, without entering into excessive detail, resort to the information theory, recognizing three features that data, information and knowledge have…
Fecha:	2013-11-29
Recurso:	Information and knowledge management

Recurso libre

50.

Proyecto macro de la experiencia de investigación Khub-K12 y las estrategias de apropiación y adopción de Recursos Educativos Abiertos por parte de los participantes
Ramírez Montoya, María Soledad - Mortera Gutiérrez, Fernando Jorge

Formato:	Elemento
Enlaces:	1. Introducción; 2. Descripción del Temoa: Características y atributos; 3. Proyecto Macro Knowledge Hub para la educación básica (K-12); 3.1 Marco contextual del estudio; 3.2 Objetivo general del proyecto; 3.3 Objetivo operativo con apoyo de Internet 2; 3.4 Objetivo de…
Fecha:	2013-11-29
Recurso:	DAR Escuela de Graduados en Educación del Sistema Tecnológico de Monterrey