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Recurso libre

Teaching safety precautions in a laboratory DVE: the effects of information location and interactivity
Zayas Pérez,Benjamin - Cox,Richard

Formato:	journal article
Enlaces:	Information location and interactivity are two attributes of desktop virtual environment (DVE) design that can be exploited to enhance the ability of learners to acquire information and skills that transfer to real world. The term "information location" refers to the…
Fecha:	2009-09-01
Recurso:	SCIELO

Recurso libre

Semantic Enterprise Search (but no Web 2.0)
Winnemöller,Ronald

Formato:	journal article
Enlaces:	In this paper, we propose semantic enterprise search as promising technical methodology for improving on accessibility to institutional knowledge. We briefly discuss the nature of knowledge and ignorance in respect to web-based information retrieval before introducing our particular view on…
Fecha:	2009-06-01
Recurso:	SCIELO

Recurso libre

Fusing Interesting Topics in the Web
Cuevas-Rasgado,A.D. - Guzman-Arenas,A

Formato:	journal article
Enlaces:	A person builds his or her knowledge from different sources of information. In school he learns that Buonarroti was born in Caprese and at home they tell him that the name of the neighbor's dog is Fido. In order to…
Fecha:	2009-03-01
Recurso:	SCIELO

Recurso libre

Ontological representation based on semantic descriptors applied to geographic objects
Torres-Ruiz,Miguel Jesús - Levachkine,Serguei

Formato:	journal article
Enlaces:	In this dissertation the GEONTO-MET methodology is presented. It is oriented to formalize the geographic domain conceptualization according to the specifications of the Instituto Nacional de Estadística, Geografía e Informática (INEGI). The main goal is to provide semantic descriptions, which…
Fecha:	2009-03-01
Recurso:	SCIELO

Recurso libre

Capillary penetration in cells with periodical corrugations
Sánchez,F.A. - Gutiérrez,G.J. - Medina,A.

Formato:	journal article
Enlaces:	In this work we present a theoretical study of the spontaneous capillary flow of a viscous liquid, developed in the gap between a couple of parallel corrugated plates (corrugated Hele-Shaw cell). The periodical corrugation of the interior walls of the…
Fecha:	2009-12-01
Recurso:	SCIELO

Recurso libre

Bacterial population dynamics and separation of active degraders by stable isotope probing during benzene degradation in a BTEX-impacted aquifer
ABURTO,Arturo - BALL,Andrew S.

Formato:	journal article
Enlaces:	The activity and diversity of a groundwater bacterial community was studied during the degradation of benzene in samples from a BTEX-contaminated aquifer (SIReN, UK) through the use of denaturing gradient gel electrophoresis (DGGE), followed by excision and sequencing of dominant…
Fecha:	2009-08-01
Recurso:	SCIELO

Recurso libre

Teacher knowledge and teaching in Panama and Costa Rica: A comparative study in Primary and Secondary education
Sorto,M. Alejandra - Marshall,Jeffery H. - Luschei,Thomas F. - Martin,Carnoy

Formato:	journal article
Enlaces:	Este estudio tiene como finalidad examinar la relación entre el conocimiento didáctico de las matemáticas, la preparación y las prácticas de los docentes de tercero y séptimo grado en Panamá y Costa Rica. El conocimiento matemático y su didáctica son…
Fecha:	2009-07-01
Recurso:	SCIELO

Recurso libre

Digenean parasites of six species of birds from Formosa Province, Argentina
Lunaschi,Lía Inés - Drago,Fabiana Beatriz

Formato:	journal article
Enlaces:	The aim of this paper is to increase the knowledge of the diversity of digenean parasites from birds collected in Formosa Province, Argentina. The helminthological survey of 15 specimens of 6 bird species revealed the presence of 5 digenean species:…
Fecha:	2009-04-01
Recurso:	SCIELO

Recurso libre

A new leech species of Helobdella (Hirudinea, Glossiphoniidae) from San Carlos de Bariloche, Río Negro, Argentina
Gullo,Bettina S.

Formato:	journal article
Enlaces:	A new freshwater leech species Helobdella fantasmae n. sp. is described. This description is based on the examination of 12 specimens collected in Laguna Fantasma, Bariloche (41° 05'S 71° 28'W), during December 2002. Leeches were found attached to submerged plants.…
Fecha:	2009-04-01
Recurso:	SCIELO

Recurso libre

10.

Disentangling the Wikipedia Category Graph for Corpus Extraction
Ngonga Ngomo,Axel-Cyrille - Schumacher,Frank

Formato:	journal article
Enlaces:	In several areas of research such as knowledge management and natural language processing, domain-specific corpora are required for tasks such as terminology extraction and ontology learning. The presented investigations herein are based on the assumption that Wikipedia can be used…
Fecha:	2009-06-01
Recurso:	SCIELO

Recurso libre

11.

TrainQA: a Training Corpus for Corpus-Based Question Answering Systems
Tomás,David - Vicedo,José L. - Bisbal,Empar - Moreno,Lidia

Formato:	journal article
Enlaces:	This paper describes the development of an English corpus of factoid TREC-like question-answer pairs. The corpus obtained consists of more than 70,000 samples, containing each one the following information: a question, its question type, an exact answer to the question,…
Fecha:	2009-12-01
Recurso:	SCIELO

Recurso libre

12.

Evaluation of E-Learning Readiness: A Study of Informational Behavior of University Students
Brückner,Michael - Tetiwat,Orasa

Formato:	journal article
Enlaces:	In this study we investigated the behavior of university students from different universities and faculties of Thailand with regard to search, evaluate, use and share information. Our goal was to prepare the introduction of personal information management into the e-learning…
Fecha:	2009-12-01
Recurso:	SCIELO

Recurso libre

13.

Association between smoking and minimal-mild depressive symptomatology in heavy smokers
Moreno Coutiño,Ana - Ruiz Velasco,Silvia - Medina-Mora Icaza,María Elena

Formato:	journal article
Enlaces:	The World Health Organization (WHO) estimates that by the year 2020 tobacco addiction will be responsible for 10 million deaths, seventy percent of which will occur in underdeveloped countries. On the other hand, depression affects about 121 million people worldwide,…
Fecha:	2009-06-01
Recurso:	SCIELO

Recurso libre

14.

Assessment of the origin of microbiological contamination of groundwater at a rural watershed in Chile
Valenzuela,Mariela - Mondaca,María A. - Claret,Marcelino - Pérez,Claudio - Lagos,Bernardo - Parra,Oscar

Formato:	journal article
Enlaces:	In a rural watershed in Chile, the scarce groundwater available represents almost the only water source both for agriculture and domestic use. This water has microbiological quality problems, which result in an agricultural and local economic development constraint. Contamination can…
Fecha:	2009-06-01
Recurso:	SCIELO

Recurso libre

15.

Seeds stored in the forest floor in a natural stand of Pinus montezumae Lamb.
Carrillo-Anzures,Fernando - Vera-Castillo,Gil - Salvador Magaña-Torres,Octavio - Guldin,Jim M. - Guries,Raymond P.

Formato:	journal article
Enlaces:	Seed banks have been studied to a greater extent in agriculture than in forestry due to long-standing concerns about the threat to agricultural crops posed by weed species. However, in forest areas seed banks have an important influence on plant…
Fecha:	2009-12-01
Recurso:	SCIELO