Exploring the potential of non-timber forest products: the case of Ethiopian honey export to Denmark

Its diverse agroecology has endowed Ethiopia with enormous honey production potential in Africa. Nevertheless, due to the undeveloped production system and poor market linkage with the global arena, the country could not fetch proportional benefits from this resource. To enhance better understanding on the problem and recommend appropriate improvement measures for the sector, prevailing opportunities and constraints were explored in relation to honey export to Denmark. Major honey stakeholders were contacted to assess the opportunities and constraints of Ethiopian honey export. Semi-structured interview, participatory appraisal technique and short questionnaire interview were adopted for data collection. The results show improving opportunities for exporting companies through creating conducive policy and support from the government of Ethiopia and NGOs. On the other hand, current supply of honey by producers in terms of quantity and quality are major constraints for the exporters. In relation to importer, there are growing demands for Ethiopian honey due to its organic source. Similarly, consumers. survey showed that the demand for organic honey has the highest priority in contrast to origin and price. However, most consumers lack information and have concern over Ethiopian honey; especially in terms of quality and characteristics. Development strategy that improves smallholder honey production capacity, better business communication with potential Danish honey importers and promotion of organic honey to consumers may make a significant contribution to enhance Ethiopian honey export to Denmark.Non-timber Forest Products; Ethiopia; honey; export; markets; Denmark

Using Renewable Energy as an Innovation Source: Case Study of Pörtom Community

The use of renewable energy as an alternative energy source cannot be overlooked at this present time of unstable price of fossil fuels combined with the recent economic crises. Renewable energy sources are available all over the world, but their availability greatly depends on their location. There are several technologies for exploiting renewable energy sources. These range from windmills to gigantic CHP power plants. Many communities are surrounded with renewable energy sources but lack the essential technologies for tapping them, and due to the price of the available ones, they are still avoided by every man. Consequently, the diffusion of renewable technology is exploited at low rate. In this research the use of renewable energy as an innovation source was tackled by looking at the meaning of innovation and how the two issues – renewable energy and innovation – integrate. New knowledge can come in different ways: it could be an improvement on the present technology or a completely novel innovative idea. However, what is new to some people might not be new to others. The use of renewable energy technologies varies and their use depends on the way the lead user uses these technologies. This study discovered how lead users’ experience is used to analyze their energy needs by simulating the available data in proposing the capacity of the CHP power plant and location of the power plant to the lead users.fi=Opinnäytetyö kokotekstinä PDF-muodossa.|en=Thesis fulltext in PDF format.|sv=Lärdomsprov tillgängligt som fulltext i PDF-format

Information-seeking on the Web with Trusted Social Networks - from Theory to Systems

This research investigates how synergies between the Web and social networks can enhance the process of obtaining relevant and trustworthy information. A review of literature on personalised search, social search, recommender systems, social networks and trust propagation reveals limitations of existing technology in areas such as relevance, collaboration, task-adaptivity and trust. In response to these limitations I present a Web-based approach to information-seeking using social networks. This approach takes a source-centric perspective on the information-seeking process, aiming to identify trustworthy sources of relevant information from within the user's social network. An empirical study of source-selection decisions in information- and recommendation-seeking identified five factors that influence the choice of source, and its perceived trustworthiness. The priority given to each of these factors was found to vary according to the criticality and subjectivity of the task. A series of algorithms have been developed that operationalise three of these factors (expertise, experience, affinity) and generate from various data sources a number of trust metrics for use in social network-based information seeking. The most significant of these data sources is Revyu.com, a reviewing and rating Web site implemented as part of this research, that takes input from regular users and makes it available on the Semantic Web for easy re-use by the implemented algorithms. Output of the algorithms is used in Hoonoh.com, a Semantic Web-based system that has been developed to support users in identifying relevant and trustworthy information sources within their social networks. Evaluation of this system's ability to predict source selections showed more promising results for the experience factor than for expertise or affinity. This may be attributed to the greater demands these two factors place in terms of input data. Limitations of the work and opportunities for future research are discussed

Adaptive hypertext and hypermedia : workshop : proceedings, 3rd, Sonthofen, Germany, July 14, 2001 and Aarhus, Denmark, August 15, 2001

This paper presents two empirical usability studies based on techniques from Human-Computer Interaction (HeI) and software engineering, which were used to elicit requirements for the design of a hypertext generation system. Here we will discuss the findings of these studies, which were used to motivate the choice of adaptivity techniques. The results showed dependencies between different ways to adapt the explanation content and the document length and formatting. Therefore, the system's architecture had to be modified to cope with this requirement. In addition, the system had to be made adaptable, in addition to being adaptive, in order to satisfy the elicited users' preferences

Adaptive hypertext and hypermedia : workshop : proceedings, 3rd, Sonthofen, Germany, July 14, 2001 and Aarhus, Denmark, August 15, 2001

This paper presents two empirical usability studies based on techniques from Human-Computer Interaction (HeI) and software engineering, which were used to elicit requirements for the design of a hypertext generation system. Here we will discuss the findings of these studies, which were used to motivate the choice of adaptivity techniques. The results showed dependencies between different ways to adapt the explanation content and the document length and formatting. Therefore, the system's architecture had to be modified to cope with this requirement. In addition, the system had to be made adaptable, in addition to being adaptive, in order to satisfy the elicited users' preferences

Diversifying Question Generation over Knowledge Base via External Natural Questions

Previous methods on knowledge base question generation (KBQG) primarily focus on enhancing the quality of a single generated question. Recognizing the remarkable paraphrasing ability of humans, we contend that diverse texts should convey the same semantics through varied expressions. The above insights make diversifying question generation an intriguing task, where the first challenge is evaluation metrics for diversity. Current metrics inadequately assess the above diversity since they calculate the ratio of unique n-grams in the generated question itself, which leans more towards measuring duplication rather than true diversity. Accordingly, we devise a new diversity evaluation metric, which measures the diversity among top-k generated questions for each instance while ensuring their relevance to the ground truth. Clearly, the second challenge is how to enhance diversifying question generation. To address this challenge, we introduce a dual model framework interwoven by two selection strategies to generate diverse questions leveraging external natural questions. The main idea of our dual framework is to extract more diverse expressions and integrate them into the generation model to enhance diversifying question generation. Extensive experiments on widely used benchmarks for KBQG demonstrate that our proposed approach generates highly diverse questions and improves the performance of question answering tasks.Comment: 12 pages, 2 figure

The Emergence of new Successful Export Activities in Uruguay

El proyecto “El surgimiento de nuevas actividades exportadoras exitosas en América Latina” busca identificar los elementos claves en el proceso de descubrimiento de nuevas oportunidades de exportación en diferentes países de la región, con el objetivo de proponer políticas y reformas que permitan aumentar el ritmo de descubrimientos, en particular teniendo en cuenta la importancia relativa de diversas fallas de mercado. El enfoque general del estudio puede resumirse en que “los mercados se desempeñan bien al brindar señales de la rentabilidad de actividades que ya existen, pero su desempeño es pobre cuando se trata de actividades que podrían existir pero no existen. Aun si estas actividades no son nuevas en el sentido de que están presentes en economías más ricas, los productores se ven enfrentados a una considerable incertidumbre respecto a los costos y la productividad bajo las condiciones del mercado local. Introducirse en estos nuevos sectores típicamente requiere un inversor pionero, que indica a otros la rentabilidad de dichas actividades. Llamamos a este proceso de descubrir la estructura de costos interna de la economía auto-descubrimiento” (Hausmann y Rodrik, 2003). “En el proceso de auto-descubrimiento abundan las externalidades de información, debido a que la información de costos descubierta por un empresario no puede conservarse en forma privada. Si la empresa pionera resulta rentable, esto es fácilmente observable por otros. Los imitadores entran entonces en la actividad, la renta del productor establecido se disipa y se establece un nuevo sector. Si, por el contrario, el pionero quiebra, las pérdidas son soportadas en su totalidad por el empresario. En consecuencia, la actividad empresarial de esta naturaleza no es una actividad con alta recompensa: las pérdidas son privadas mientras las ganancias se socializan. Por tanto, los mercados no proporcionan suficiente actividad empresarial en actividades nuevas” (Hausmann, Rodríguez-Clare y Rodrik, 2006). El estudio realizado para Uruguay consistió en analizar cuatro actividades exportadoras nuevas para el país, en el contexto del marco teórico propuesto por el BID y siguiendo la metodología común establecida para todos los casos incluidos en el proyecto regional. Asimismo, en el marco de este estudio se construyó una base de datos armonizada de las exportaciones uruguayas de bienes a nivel de producto y empresa, que permite analizar la actividad exportadora a nivel de empresa, producto y mercado de destino en las últimas dos décadas. La disponibilidad de series de tiempo consistentes permitió superar las limitaciones de información que provocaban en las estadísticas los cambios introducidos en la clasificación de productos en cuatro oportunidades (1985, 1993, 1997, 2002). Este estudio busca una mejor comprensión de estos problemas en el caso de Uruguay, presentando, en primer término, una visión de conjunto del desempeño exportador de Uruguay y su política comercial, y un análisis de la actividad exportadora a nivel de firma. En segundo lugar se analizan en profundidad cuatro sectores: software, forestal, caviar y esturión, y vacunas de origen animal a partir de los cuales se extraen lecciones de políticas públicas.exportaciones, fallas de mercado, fallas de coordinación, proceso de auto-descubrimiento, software, sector forestal, vacunas de origen animal, caviar y esturión