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Aproximadamente 29 registro(s) hasta el momento: (knowledge)

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Recurso libre

Actual knowledge of Oligocene origin of sloths
Pujos, Francisco - De Iuliis, Gerardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Tardigrades constitute one of three clades of Xenarthra. Whereas modern tree sloths are common in the Amazonian Basin, their giant ground sloth "kin" were abundant throughout the Americas. During the Miocene, sloths were conspicuous faunal elements in Patagonia, generally considered…
Fecha:	2010-11-26
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Permo-Triassic cynodonts from Gondwana
Abdala, Fernando

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Recent contributions to the knowledge of Gondwanan cynodonts highlight the presence in Africa of taxa previously recognized in South America and vice-versa. This is the case for the Middle Triassic Namibian fauna from the upper Omingonde Formation, where the first…
Fecha:	2010-11-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Post-Permian tetrapod record in the Ischigualasto-Villa Unión Basin (Talampaya and Tarjados Formations, northwestern Argentina)
Domnanovich, Nadia - Mancuso, Adriana Cecilia - Schultz, C. - Krapovickas, Verónica - Gaetano, L. - Leardi, J. M

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Talampaya and Tarjados Formations correspond to the initial stage of the Ischigualasto-Villa Unión Basin filling, and record the oldest post-Permian events in the region. The sequence consists of red beds deposited essentially by ephemeral alluvial and fluvial systems, and overlay…
Fecha:	2010-11-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Fossil chironomids and ostracods from a 5000 years- sediment sequence of Laguna El Chaltel, southern Patagonia, Argentina
Massaferro, Julieta - Laprida, Cecilia - Orpella, Germán - Mercau, J. Ramón

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Lakes are excellent sensors of environmental change, including climate change. Chironomids (Insecta, Diptera) and ostracods (Crustacea) are among the most useful biological indicators for paleoenvironmental reconstruction found in lake sediments, due to their sensitiveness to environmental variables. However, the use…
Fecha:	2010-12-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

The austral components of the Neogene South American crocodylian fauna: the northeast Miocene-Pliocene Argentinean record
Bona, Paula - Riff, Douglas

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	During the last years the knowledge about derived eusuchian crocodiles has been increased. Anatomical and phylogenetic approaches as well as new fossil records have lighted the evolutive and biogeographic history of several groups. In this way, paleontological research on Miocene-Pliocene…
Fecha:	2010-12-06
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Rethinking logics and regimes of geo-economics: national competitiveness in the borderless global knowledge
Uttam, Jitendra

Formato:	Articulo, Articulo
Enlaces:	This paper aims to clarify an economic mechanism behind the growing dichotomy between geo-economics and the borderless global knowledge economy. The proposed hypothesis is that geo-economic fault-lines, which are the product of the past prejudices of racial, linguistic, and cultural…
Fecha:	2013-02-25
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Discovering geographic services from textual use cases
Saldaño, Viviana E. - Buccella, Agustina - Cechich, Alejandra

Formato:	Articulo, Articulo
Enlaces:	Component Based Software Development (CBSD) relies upon utilization of previously developed software components OTS (Off-The-Shelf), which are appropriately merged to satisfy particular system requirements. However, wide acceptance of this paradigm at industry requires efficient component identification and selection, aspects which…
Fecha:	2010-06-14
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Approximation to the dynamic hypermedial device modeling for the analysis of interactions
Rodríguez, Guillermo L. - San Martín, Patricia S.

Formato:	Articulo, Articulo
Enlaces:	The following research proposes a first approximation to the Dynamic Hypermedial Device modeling based on the analysis of interactions. In addition, the DEVS (Discrete EVents dynamic Systems) formalism is employed, which is particularly suitable for the modeling of discrete event…
Fecha:	2010-10-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

Upper Ordovician (Sandbian) gastropods from redeposited boulders in the Don Braulio Formation, Argentine Precordillera
Bertero, Verónica

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The glacigenic boulders from the Hirnantian Don Braulio Formation of the Argentine Precordillera contain a well preserved shelly fauna allowing to a better knowledge of brachiopods and bivalves, but gastropods remain undescribed. The purpose of this paper is to give…
Fecha:	2011-02-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

10.

Microscopic characters of the leaf and stem of Brunfelsia pilosa Plowman (solanaceae)
Duarte, Márcia do Rocio - Wolf, Samantha

Formato:	Articulo, Comunicacion
Enlaces:	Species of Brunfelsia, whose flowers change colour progressively from violet to white, are popularly known as yesterday-today-tomorrow and used in folk medicine, mainly as anesthetic and diuretic. Based on ethnobotanical surveys, they have been investigated chemically and pharmacologically for expanding…
Fecha:	2010-11-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

11.

Taphonomy and paleoecology of a late Pleistocene megafaunal tar seep locality from Santa Elena, Ecuador
Lindsey, Emily

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Although South America lost more megafaunal genera than any other continent during the Late-Quaternary Extinction event (LQE), little is known about the chronology, causes or dynamics of these extinctions, especially in the northern part of the continent. Fossil deposits in…
Fecha:	2011-02-04
Recurso:	Unversidad Nacional de La Plata

Recurso libre

12.

Preliminar results on the vertebrate fauna of the Solimões Formation (upper Miocene), southwestern Amazonia, Acre, Brazil
Aureliano Neto, T. - Dumont Junior, M. V. - Souza Filho, J. P.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The Paleontology teams at the Universidade Federal do Acre (UFAC) and the Universidade de Brasília (UnB) worked together in order to increase macro and micropaleontological knowledge of the late Miocene rocks exposed at Niterói (10º08'30''S-67º48'46,3''W), on the right margin of…
Fecha:	2011-03-18
Recurso:	Unversidad Nacional de La Plata

Recurso libre

13.

Local-as-view integration of ontologies in defeasible logic programming
Gómez, Sergio Alejandro - Chesñevar, Carlos Iván - Simari, Guillermo Ricardo

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Ontology integration is the problem of combining data sources in the SemanticWeb. Concepts in source ontologies are captured in terms of concepts de ned in a global ontology. When some of these ontologies are inconsistent, the knowledge engineer often has…
Fecha:	2012-07-19
Recurso:	Unversidad Nacional de La Plata

Recurso libre

14.

Profiling MPI applications with mixed instrumentation
Grosclaude, Eduardo - Zanellato, Claudio - Balladini, Javier - Castillo, Rodolfo del - Castro, Silvia Mabel

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Our research project intends to build knowledge about HPC problems to be able to help local researchers. In order to advise users in choosing parallel machines to run their applications, we want to establish a general methodology, requiring as shallow…
Fecha:	2012-07-30
Recurso:	Unversidad Nacional de La Plata

Recurso libre

15.

Society, family and learning: the role of home literacy environments
Querejeta, Maira

Formato:	Articulo, Articulo
Enlaces:	This paper explores the relation between society, family, and learning. In particular, it addresses the features of home literacy environments in low income families and their impact on children's pre-literacy skills and knowledge. Sixty-two four/five-year-old children and their mothers were…
Fecha:	2012-04-03
Recurso:	Unversidad Nacional de La Plata

Recurso libre

16.

Family diversity in social exclusion situations: results and reflections on research, teaching and knowledge transfer activities
González Oddera, Mariela - Delucca, Norma Edith

Formato:	Articulo, Articulo
Enlaces:	The purpose of this paper is to characterize the configurations of the families that live in contexts of social exclusion; provide conceptualizations of their operation mode; highlight the formative effects that neighborhood interdisciplinary practices with such families produce in the…
Fecha:	2012-03-30
Recurso:	Unversidad Nacional de La Plata

Recurso libre

17.

Constraints to Uranus' Great Collision III: The Origin of the Outer Satellites
Brunini, Andrea - Parisi, M. Gabriela - Tancredi, G.

Formato:	Articulo, Articulo
Enlaces:	The theory of satellite loss resulting from a giant impact on Uranus (Parisi and Brunini 1997, Planet. Space Sci. 45, 181–187) is revisited, in the light of the discovery of its five outer moons (Gladman et al. 1998, Nature 392,…
Fecha:	2010-10-20
Recurso:	Unversidad Nacional de La Plata

Recurso libre

18.

SME access to credit in Guatemala and Nicaragua: challenging conventional wisdom with new evidence
Bebczuk, Ricardo Nestor

Formato:	Articulo, Documento de trabajo
Enlaces:	This paper develops a conceptual framework and offers new statistical evidence on the access to credit by micro, small, and medium enterprises (MSMEs) in Guatemala and Nicaragua. To this end, and after reviewing the existing literature on the topic, it…
Fecha:	2010-06-11
Recurso:	Unversidad Nacional de La Plata

Recurso libre

19.

Predation by Corallus annulatus (Boidae) on Rhynchonycteris naso (Emballonuridae) in a lowland tropical wet forest, Costa Rica
Lewis, Todd R. - Nash, Darryn J. - Grant, Paul B. C.

Formato:	Articulo, Comunicacion
Enlaces:	Corallus annulatus (Northern Annulated Tree-boa) is a little-studied tropical Boid occurring disjunctively throughout Central America and tropical South America in mostly lowland tropical moist and wet forests (Holdridge, 1967; Stafford & Henderson, 1996; Smith & Acevedo, 1997; Henderson et al.,…
Fecha:	2010-12-10
Recurso:	Unversidad Nacional de La Plata

Recurso libre

20.

The understanding of information about oral chemotherapy treatment among outpatients at a University Hospital in Ceará, Brazil
Pereira, Ana G. da S. - Gadêlha, Paulo G.C. - Néri, Eugenie D.R. - Nogueira, Tiago A. - Neto, José W. O. - Fonteles, Marta M. F.

Formato:	Articulo, Articulo
Enlaces:	This study assessed the understanding of information about oral chemotherapy treatment, among patients attending the hematology outpatients' ward of a University hospital. A questionnaire with patient data and details of the treatment was applied to 147 outpatients. The analysis of…
Fecha:	2011-01-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

21.

Determinants of the decision to go to college in Argentina, Determinantes del nivel de asistencia al nivel superior de educación
Ripani, Laura

Formato:	Tesis, Tesis de maestria
Enlaces:	Increasing attention to higher education policies in the knowledge-based society makes important to understand the relationship between socio-economic family characteristics and educational choices. This paper considers the decision to go to college in Argentina as a family's economic decision. The…
Fecha:	2010-07-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

22.

Pensions and saving: new international panel data evidence
Bebczuk, Ricardo Nestor - Musalem, Alberto

Formato:	Articulo, Documento de trabajo
Enlaces:	This paper contributes to the empirical literature on pensions and saving by studying the influence of funded pension systems on the gross national saving rate using a sample of 48 developed and developing countries over the 1980-2004 period. To the…
Fecha:	2010-06-01
Recurso:	Unversidad Nacional de La Plata

Recurso libre

23.

Factor endowments, inequality, and paths of development among new world economies
Engerman, Stanley L. - Sokoloff, Kenneth L.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	Whereas traditional explanations of differences in long-run paths of development across the Americas generally point to the significance of differences in national heritage or religion, we highlight the relevance of stark contrasts in the degree of inequality in wealth, human…
Fecha:	2010-06-17
Recurso:	Unversidad Nacional de La Plata

Recurso libre

24.

Genomic and darwinian medicine
Salzano, Francisco M

Formato:	Articulo, Articulo
Enlaces:	Genomic and darwinian medicine deal with the application of hereditary and evolutionary principles for the understanding of health and disease. The progress in molecular and bioinformatic knowledge is making possible through a holistic approach to biological phenomena and one aspect…
Fecha:	2010-11-09
Recurso:	Unversidad Nacional de La Plata

Recurso libre

25.

On the population, physical decay and orbital distribution of Jupiter family comets: numerical simulations
Di Sisto, Romina Paula - Fernández, Julio A. - Brunini, Adrián

Formato:	Articulo, Articulo
Enlaces:	We study the Jupiter family comet (JFC) population assumed to come from the Scattered Disk and transferred to the Jupiter’s zone through gravitational interactions with the Jovian planets. We shall define as JFCs those with orbital periods P<20yr and Tisserand…
Fecha:	2010-10-05
Recurso:	Unversidad Nacional de La Plata

Recurso libre

26.

Composite undergraduate clinical examinations: how should the components be combined to maximize reliability?
Wass, Val - McGibbon, David

Formato:	Articulo, Articulo
Enlaces:	Background: Clinical examinations increasingly consist of composite tests to assess all aspects of the curriculum recommended by the General Medical Council. Setting: A final undergraduate medical school examination for 214 students. Aim: To estimate the overall reliability of a composite…
Fecha:	2010-03-04
Recurso:	Unversidad Nacional de La Plata

Recurso libre

27.

Morphometrics of teropodomorph isolated teeth material from Bauru Basin (Upper Cretaceous, Southeast Brazil)
Ghilardi, A. M. - Pimenta, Bernardo - Fernandes, Marcelo A.

Formato:	Objeto de conferencia, Objeto de conferencia
Enlaces:	The theropod material of the Bauru Basin consists mainly of isolated teeth, bone elements being rare, generally isolated and fragmented. The best known theropod of the unity is Pycnonemosaurus nevesi, an abelisaurid described based on some fragmented elements. An ungeal…
Fecha:	2011-04-12
Recurso:	Unversidad Nacional de La Plata

Recurso libre

28.

The role of the proteinase inhibitor ovorubin in apple snail eggs resembles plant embryo defense against predation
Dreon, Marcos S. - Ituarte, Santiago - Heras, Horacio

Formato:	Articulo, Articulo
Enlaces:	Background: Fieldwork has thoroughly established that most eggs are intensely predated. Among the few exceptions are the aerial egg clutches from the aquatic snail Pomacea canaliculata which have virtually no predators. Its defenses are advertised by the pigmented ovorubin perivitellin…
Fecha:	2013-09-23
Recurso:	Unversidad Nacional de La Plata

Recurso libre

29.

Temporal variation and size class distribution in a herpetological assemblage from Córdoba, Argentina
Martori, Ricardo - Aun, Liliana - Gallego, Fernando L. - Rozzi Giménez, Cristina

Formato:	Articulo, Articulo
Enlaces:	Desde el punto de vista de la conservación, conocer la abundancia, la diversidad, y los patrones de actividad de un ensamble herpetológico son medulares para comprender la dinámica de la comunidad y el modo de cómo es utilizado el hábitat.…
Fecha:	2010-11-17
Recurso:	Unversidad Nacional de La Plata