658 research outputs found
Automated context aware composition of Advanced Telecom Services for environmental early warnings
No full textThis paper presents one of the main components of a framework for automated composition of Advanced Telecom Services for environmental early Warnings. The framework, called AUTO, is composed by three main modules: a request processing module that transforms natural language and context information into a planning instance; the automated planning module, based on PELEA, an architecture for planning and execution; and the Service Execution Environment Advance Telecom Services. This paper focuses on the description of the translation of the user request in natural language and his context into planning instances. These planning instances represent service composition tasks based on Automated Planning. The advantages of this approach, like the automatic inclusion of context and user preferences in the composition of services, will be presented. Also, the current implementation will be described and some experimentation will prove the viability of AUTO
Right-Wing vs Left-Wing Populism : Lessons from Venezuela and the United States
No full textDr. Corrales’ research focuses on democratization, presidential powers, foreign policy, and sexuality. He has published extensively on Venezuela, Cuba, and Argentina for academic outlets as well as The New York Times. Among his several books, Dr. Corrales is co-author of Dragon in the Tropics: Venezuela and the Legacy of Hugo Chávez, and Fixing Democracy: Why Constitutional Change Often Fails to Enhance Democracy in Latin America. He is also the co-editor of The Politics of Sexuality in Latin America: A Reader on LGBT Rights. One of the youngest scholars elected as a Fellow at the Woodrow Wilson International Center for Scholars in Washington, D.C., Dr. Corrales has also been a consultant for the World Bank, the United Nations, the Center for Global Development, and the American Academy of Arts and Sciences.Non UBCUnreviewedOthe
Business Process Model Retrieval Based on Graph Indexing Method
No full textNowadays, business process reuse is very important and necessary inside large organizations that continually increase their process collections. Therefore, an efficient system to manage and search for concrete and relevant processes is necessary. Here we overcome to this problem proposing business process model retrieval based on a Graph Indexing Method. It takes into account a measure similarity between two graphs and provides a ranking of business process retrieved
Reseña del libro «Deslindes» de Adriano Corrales Book
No full textBelow is a review of the book "Deslindes", by Costa Rican author Adriano Corrales Arias. The work is constituted from a compilation of the author's essays, which were published individually by various media. The topics addressed focus on cultural studies, literature, art and the analysis of the political events that characterize the neoliberal phase of peripheral capitalism.A continuación, se presenta una reseña del libro «Deslindes», del autor costarricense Adriano Corrales Arias. La obra se constituye a partir de una recopilación de ensayos del autor, que fueron publicados de manera individual por diversos medios. Los temas abordados se centran en los estudios culturales, literatura, arte y el análisis de coyuntura de hechos políticos que caracterizan a la fase neoliberal del capitalismo periférico
The Collapse of Venezuela and the Strange Longevity of the Maduro Administration
No full textJoin us for a presentation with Dr. Javier Corrales, the Dwight W. Morrow 1895 Professor of Political Science at Amherst College in Amherst, Massachusetts.
Everything seems to be collapsing in Venezuela, except the Maduro administration (2013-present). This lecture will first look at the origins of Venezuela’s profound economic crisis, and then compare the Venezuelan case to other cases of presidential interruption in Latin America, to understand why the Maduro administration has survived thus far.
Corrales is the co-author with Michael Penfold of Dragon in the Tropic: Venezuela and the Legacy of Hugo Chávez, second edition (Brookings Institution Press, 2015), one of the most widely read books on contemporary Venezuela’s political economy. He is also the co-author with Daniel Altschuler of The Promise of Participation: Experiments in Participatory Governance in Honduras and Guatemala (Palgrave Macmillan 2013), and with Carlos Romero of US-Venezuela Relations: Coping with Midlevel Security Threats (Routledge, 2013), and the co-editor (with Mario Pecheny) of The Politics of Sexuality in Latin America (University of Pittsburgh Press 2010). Currently, he is working on a book project on constitutional assemblies and presidential powers in Latin America. He was a Fulbright scholar in Bogotá, Colombia in 2016. He is on the editorial board of Latin American Politics and Society and Americas Quarterly.
Event sponsored by Latin American and Iberian Institute (with support from the US Department of Education Title VI).https://digitalrepository.unm.edu/laii_events/1059/thumbnail.jp
Automated context aware composition for convergent services
No full textAutomated Services composition is an active research area nowadays, most of the approaches are based in Artificial intelligence techniques. However, most of these approaches focus on specific steps of Web services composition and lacks of details for general application in broader fields such as Convergent Services. In the present work, an architecture based on Natural Language analysis for AI planning processing and automatic deployment in JSLEE is presented. The preliminary experiments show promising results
A comparative study on the ciudadelas in Havana city and the corrales de vecinos in Sevilla
No full textEste artículo está basado en un trabajo de campo realizado por el autor en las ciudadelas de La Habana (Cuba) y consiste en una comparación de estas con los corrales de vecinos de la ciudad de Sevilla (ambos tipos de viviendas populares en torno a patio colectivo), también estudiados por el mismo investigador. Se explica en el mismo la metodología utilizada en dicho trabajo de campo, junto con los parámetros de comparación que se tuvieron en cuenta (las barbacoas, el régimen de propiedad, la composición étnica, el horizonte religioso y la racionalización para el apego). También se analizan las posibilidades de continuidad de estos tipos de hábitats en el mundo moderno y su posible aporte, las relaciones vecinales que en ello se dan y las culturas que se desarrollan en sus recintos.This article is based on fieldwork carried out by the author in the ciudadelas of Havana (Cuba), comparing them with the corrales de vecinos in the city of Seville (Spain), both popular housing around a colective patio/yard, also studied by the same researcher. The methodology used in the fieldwork is also explained and the parameters considered are compared (the barbacoas, the property system, the ethnic composition, the religious horizon and the rationalization for the attachment). The possibilities of continuity of these types of habitats in the modern world and their possible contribution, the neighborhood relations and the different cultures developed in their recints are also analysed.Grupo de Investigación Antropología y Filosofía (SEJ-126). Universidad de Granad
Toward a unified view of complex multiscale stochastic systems: A generalized theory of interactions and its computational infrastructure for their universal and efficient investigation
No full textThe Internet, societies and the brain exemplify systems whose compositional structure contains numerous interacting parts and coupled scales of irreversible action, driven to a large extent by intrinsic random perturbations that cannot be removed without losing critical information for their scientific understanding. Systems that match this signature are ubiquitous across a large number of knowledge domains, yet no unified model explaining all their commonalities and unifying principles exists. We define the class containing these instances as that of complex multiscale systems (CMSS), including naturally evolved and artificially designed systems. Due to the increasing interconnectedness of the human experience and the need to understand a wider range of phenomena whose description is much richer than that provided by current models, we claim that the development of effective CMSS research methods represents a scientific program of a new kind.
This work provides evidence underlining why CMSS constitutes a novel and fruitful scientific domain. We concern ourselves with improving the existing understanding of CMSS by finding causal mappings between the behavior of parts of the system at a small scale (microscale) giving rise to larger components at a larger scale (macroscale) through theory development, cyberinfrastructure and case studies. Three studies contained here suggest that placing interactions as a central construct --instead of objects and laws- simplifies the analysis of CMSS and brings clarity across the formal structure of related scientific theories. We present a Generalized Theory of Interactions (GToI) that aims to provide a universal and efficient description of CMSS in general; the theory can be conveniently adjusted to match specific phenomena across a wide variety of disciplines. We evaluate existing agent-based systems and discuss the ongoing development of a new agent-based framework benefiting from the perspective of the interaction. We demonstrate how explicit interaction models of CMSS can efficiently increase information gain about these systems, including their scaling laws, self-organization properties and collective behavior with two examples: one on social perception, and another one on modeling the COVID- 19 epidemic for the cities of Urbana and Champaign. Finally, we explore philosophical, conceptual and pragmatic externalities of interactions in computer-assisted epistemology, theoretical biology, global studies and artificial intelligence.Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2022-12-01The student, Santiago Nunez-Corrales, accepted the attached license on 2020-10-13 at 16:01.The student, Santiago Nunez-Corrales, submitted this Dissertation for approval on 2020-10-13 at 16:14.This Dissertation was approved for publication on 2020-10-15 at 13:41.DSpace SAF Submission Ingestion Package generated from Vireo submission #15833 on 2021-03-04 at 16:19:11Made available in DSpace on 2021-03-05T21:40:40Z (GMT). No. of bitstreams: 4
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Ectomycorrhizal associations in tropical montane forest: insights into their influence on nutrient cycling and functional responses to soil fertility
No full textIn Panamanian montane forest, the ectomycorrhizal tree Oreomunnea mexicana forms monodominant stands where it accounts for up to 70% of individuals. Monodominance is unexpected in tropical forest because the accumulation of host-specific pathogens is thought to limit the local abundance of individual species. Although rare, monodominant forests have now been recognized in all major tropical regions and include a wide diversity of tree taxa. Notably, many monodominant species associate with a particular type of mutualist: ectomycorrhizal (EM) fungi. Ectomycorrhizal associations are rare in tropical forests where most species associate with arbuscular mycorrhizal fungi.
Oreomunnea associates with a diverse community of ectomycorrhizal fungi. In a survey of Oreomunnea root tips using sanger sequencing, I identified 115 EM fungal taxa from 234 EM Oreomunnea root tips collected from four sites across a soil fertility gradient. There was a high compositional turnover in the EM fungal communities associated with Oreomunnea with a significant effect of soil fertility on EM fungal compositional variation. In addition, analysis of the phylogenetic beta diversity for Russula, the most abundant and diverse EM genus in the community, revealed that Russula species show greater than expected phylogenetic dissimilarity among taxa occupying sites with contrasting fertility.
Current theory on how monodominance is maintained has focused on alterations to plant-microbial interactions. I tested three potential mechanisms by which EM fungi may potentially allow a host tree species to achieve monodominance: (1) by conferring resistance to soil-borne pathogens that are responsible for negative plant-soil feedback experienced by competing species, (2) by connecting juveniles to adults through ectomycorrhizal networks that transfer water, nutrients or carbon, and (3) by altering ecosystem nutrient economies, thereby reducing the availability of limiting resources to competing species. After testing these three hypotheses I found no evidence for positive feedback on Oreomunnea abundance caused by either pathogen resistance or the formation of mycorrhizal networks. Instead, the presence of EM fungi was associated with a reduction in inorganic nitrogen availability tightening the nitrogen cycle, making it difficult for other, non-EM tree species to compete.
Ectomycorrhizal fungi have been shown to respond differently to N addition depending on their functional traits. I studied EM fungal communities associated with Oreomunnea in control plots and plots that had received a nitrogen addition treatment for nine years, I found a significant difference in the species composition of the EM fungal community between plot treatments, and differences in the abundance of some genera. Members of the EM fungal genera Laccaria and Lactarius, showed an increase in their relative abundance with N addition while members of the genus Cortinarius showed a strong reduction in relative abundance. Increased N availability in tropical ecosystems could result in a reduction in EM fungal taxa specialized in organic N and P absorption (e.g., Cortinarius) along with a decrease in EM colonization of host plants potentially having implications in soil C storage, and ecosystem N cycling ultimately affecting forest productivity and diversity.
The isotopic composition of EM fruiting bodies has been shown to be a useful tool for understanding the functional role of EM fungi in ecosystems. After analyzing the δ15N and δ13C of Russula fruiting bodies, and its correlation with Oreomunnea host abundance and soil inorganic N availability, I found that the isotopic composition of the Russula community reflects increased host demand for ectomycorrhizal fungal nitrogen supply with a reduction in soil inorganic nitrogen availability. These results are consistent with an increase in N sequestration by EM fungi in sites with higher host abundance. Given the high correlation of host abundance, N availability, and N transfer from EM fungi to the host (reflected in fruiting body δ15N) in our system here I provide further evidence that the formation of Oreomunnea dominated forest is facilitated by its associated EM fungi.
In conclusion I found that EM fungi are highly diverse in tropical montane forest and that they can facilitate the formation of monodominant forest of EM associated tree species by altering the N cycle. Also, I predicted increase in N availability due to atmospheric N deposition, could potentially alter the interaction between EM fungi and their host plant potentially leading to biotic and abiotic changes in the ecosystem.Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2018-05-01The student, Adriana Corrales, accepted the attached license on 2016-04-14 at 14:30.The student, Adriana Corrales, submitted this Dissertation for approval on 2016-04-14 at 14:41.This Dissertation was approved for publication on 2016-04-22 at 10:44.DSpace SAF Submission Ingestion Package generated from Vireo submission #9227 on 2016-07-07 at 14:16:43Made available in DSpace on 2016-07-07T21:14:43Z (GMT). No. of bitstreams: 5
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The influence of intensive nutritional counseling in Posyandu towards the growth 4-18 month old children
No full textIntroduction Under 5 years is a critical period for child growth,
when growth faltering often occurs. Periodical growth monitoring
and nutritional counseling can detect growth faltering earlier, determine
the cause, and find alternatives to solve such problems.
Objective To determine the benefit of nutritional counseling on
knowledge, attitude, practice of mothers, and child growth.
Methods A randomized controlled trial was conducted in
Sendangguwo, Semarang on 143 children of the treatment group
and 135 children of the control group. Nutritional counseling was
given to mothers in the treatment group by trained health volunteers.
Changes of weight for age Z-score (WAZ), height for age Zscore
(HAZ), and weight for height Z-score (WHZ) were analyzed
repeatedly by using ANOVA. The differences of ΔWAZ, ΔHAZ, and
ΔWHZ between groups were compared by student t-test. GEE (generalized
estimating equation) analysis was used to analyze the
effect of confounding variables on the changes of WAZ.
Results After 6 months of counseling, knowledge, attitude, and
practice of nutrition in the treatment group significantly increased
compared to that of the control group (P<0.001). The WAZ, HAZ,
and WHZ curves in the control group decreased. However, in the
treatment group, WHZ increased and there was stabilization of
WAZ. At the end of the study, treatment group had significantly
improved their WAZ (P<0.001), HAZ (P=0.004), and WHZ
(P<0.001) compared to that of the control group.
Conclusion Nutritional counseling can improve knowledge, attitude,
and practice of mothers, and has beneficial effects on child
growth by WAZ, HAZ, and WH
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