The purpose of this essay is to perform an evaluation regarding retrieval performance of three web search engines. The search engines included are All the Web, Alta Vista and Google. These have been tested using ten queries within different subject areas chosen by the author. The first twenty hits for each question have been analyzed for relevancy. Relevancy is judged on a three-point scale; 0, 0,5 and 1 where 0 goes to irrelevant and inactive or duplicate documents, 0,5 point goes to partially relevant documents and 1 point goes to highly relevant documents.

The purpose of this research is to study the new curriculum in the topic of modern languages in the upper secondary school, and compare the curriculum from year 2011 with the one from year 2000 and thus try to find differences in the content and wordng. The research also aims to investigate teachers' interpretations and understanding of the new curriculum. The study is divided into two sub?studies and those are based on the two methods of text analysis and interview. Text analysis of policy documents is made parallell with some aspects found in the background materials of the upper secondaryschool reform, which can be summarized as precision and globalization.

The farming system is the basis of human existence through its production of provisions for man. By a continuous exchange of information, energy and material, between the ecosystems and the social systems, the farming system becomes an emergent property. The system's own properties, in the sense of farming methods, circulations and institutions, evolve through an adaptive process. Understanding this process and constantly learn from it, is the starting point for creating a sustainable development within farming systems. Thus, future farming system has to develop strategies that produce food provisions while at the same time takes into consideration the ecosystem's resilience and its integrity, but which also enables an ethical discussion. The institutions within the farming system are understood as links between the ecosystems and the social systems.

Bakgrund: Ett flertal studier tycks visa på att kolhydratdryck under träning fördröjer tröttheten och många forskare hävdar att en kolhydrat- dryck kan öka prestationsförmågan. Det finns däremot få studier som har utvärderat om kolhydratdryck påverkar precisionen, endast Burke och Ekbloms studie från 1984 på tennisspelare har berört denna aspekt. Syftet med studien var att utvärdera huruvida dryck med kolhydrater påverkar en basketspelares precision jämfört med en dryck utan kolhydrater. Metod: En ABA?randomiserad, kontrollerad studie med cross over-design under två helt vanliga träningstillfällen utfördes.

Syftet med föreliggande studie var att undersöka hur bra vi är på att bedöma ålder på omaskerade och maskerade ansikten. Syftet var även att undersöka om det fanns systematiska fel som är förknippade med åldersbedömning av maskerade ansikten.Totalt fick 60 försöksdeltagare, samtliga ungdomar, skatta åldern på 60 fotografier av 30 maskerade och 30 omaskerade män.  Fotografierna var indelade i två åldersgrupper, yngre och äldre, och samtliga stimulipersoner förekom i både den maskerade och den omaskerade varianten.Resultaten visade att försöksdeltagarna var bättre på att skatta åldern på omaskerade ansikten än på maskerade. Inga skillnader i systematiska fel fans mellan maskerade och omaskerade ansikten.Bilder av unga ansikten skattades med högre precision än bilder av äldre ansikten..

LRF Konsult AB is a Swedish company with over 135 offices. During the time 2006-01-01 to 2008-06-16, 397 persons were recruited. New people will continue to be employed and because of that a need for consistant information for the recruits has been noted. The essay question is what a handbook should include to guide a newly recruited person. The newly recruited person that is referred to works at LRF Konsult AB with farming companies. The answer to the question is that it depends on the needs the employee has.

The question whether controlled vocabulary or natural language free-text terms is the most effective search strategy has occupied researchers in LIS for many decades. This Masters thesis is an empirical study which aims to compare these two search strategies in LISA Library and Information Science Abstracts, an online bibliographic database. 22 topics from the discipline of Library and Information Science were constructed and out of each topic one query for each search strategy was formed. Queries in natural language were formed with terms from different sources, for example dictionaries, while queries in controlled vocabulary were built with terms from LISAs electronic thesaurus. The measures used in this study were precision, relative recall pooling method and overlap.

Denna studie behandlar bolags informationssignaler före, i samband med och efter förvärv. Med utgångspunkt i agent- och signalteorin har informationssignaler som skickats identifierats, där en kvalitativ ansats med tillhörande diskurs- och etnografisk innehållsanalys har använts för att kartlägga informationssignalerande mekanismer samt generera en modell för analys av informationssignaler i samband med förvärv. Studien uppvisar resultat om varför informationssignaler sänds i samband med förvärv, där bolag generellt eftersträvar att minska informationsasymmetri gentemot sina intressenter, legitimera beslut samt nyttja informationsövertag för att skapa personliga fördelar. Studien bidrar till området för informationssignalering, där utfall av förvärv påverkar omfattningen och innehållet som informationssignaler uppvisar..

The aim of this thesis was to evaluate the music downloading service Musikwebb regarding its indexing and retrieval effectiveness. This was done by performing various kinds of search in the system. The outcome of these searches were then analysed according to the criteria specificity, precision, recall, exclusivity and authority control. The study showed that Musikwebb had several flaws regarding its retrieval effectiveness. The most prominent cases were the criteria exclusivity and specificity.

Urban farming can be viewed in several contexts. The first part of this work brings up the beneficial effects of farming on our physical and mental health, knowledge as well as on social life in cities. The introduction of gardening in schools can contribute to an increased awareness on both agricultural practices and importance as well as ecological processes. It can also be used in teaching of other subjects. Farming can also contribute to improving the household economy, and the economy on a municipal or national level.

För att en mjölkko ska vara vid god hälsa och producera optimalt är det viktigt att hennes energimetabolism är i god balans. Förhöjda nivåer av ketonkroppar (?-hydroxybutyrat, acetoacetat och aceton) är en indikation på att störningar i energibalansen föreligger och har i flera studier kopplats samman med ökad risk för sjukdomar och sänkt mjölkproduktion. I veterinär ambulatorisk verksamhet används olika snabbtester för att enkelt påvisa förhöjda nivåer av ketonkroppar i mjölk, urin och blod.Syftet med denna studie var att utvärdera fyra snabbtesters tillförlitlighet för ketonkroppsdetektion hos mjölkkor, under svenska förhållanden, i jämförelse med en verifierad laboratoriemetod.Från 51 mjölkkor i olika laktationsstadier samlades blod-, mjölk- och urinprov. Förekomsten av ketonkroppar undersöktes med fyra olika snabbtester: Precision Xceed (helblod), PortaBHB milk ketone test (mjölk), Acetontest (mjölk) samt Ketostix (urin).

By immersion in the situation of the food production today and a historical study of how past development has led us to this point, one goal of this essay is to discuss whether the current way of farming can be applied in a sustainable future. Another objective of the essay is to study the vision Vertical farming as an alternative approach, and to focus on different aspects of this phenomenon in order to provide as comprehensive a picture as possible.The paper, thus, seeks to broaden the views for alternative approaches regarding a well-established method which we often take for granted. The aim is also to initiate a discussion around the need to also take radical ideas in regard if we want to face the future in a sustainable manner. The method is a qualitative literary study where scientific articles and papers have been used to discuss the issues: why has the idea of Vertical farming arisen, what is Vertical farming and how is the Vertical Farm meant to operate? Does Vertical farming have a place in the sustainable city of the future? For a long time us humans lived as one with nature, in a symbiotic relationship in which we gave and took as a functioning part of an ecosystem.

This study includes a life cycle assessment, LCA, on an ecological produced cotton shirt for the company Reflective Circle, which designs ethical and ecological clothes.Initially were cotton farming and textile production studied to gather basic knowledge about the processes. Since this shirt is being ecological produced in the whole production chain, we studied what an ecological production means, but also how a conventional production works. When this was done we could start to discuss the differences and similarities between the production of the shirt and general conventional production.When the LCA was first initiated, the main focus was on the green house gas emissions from the manure at the cultivation. Thereafter the process steps such as picking, ginning, carding, spinning, weaving and sewing were being studied. The picking is done by hand, but the rest of the processes are handed by machines which consumes energy.

Today´s debate in farming is being focused on tourism, outdoor life and hobbies in the rural areas. This is of interest also for the general public as a way of counteracting the depopulation of the rural areas. Within the last years, the farming has become more technically advanced and hence efficient. This has led to increased production volumes and wider selection of products with lower margins for the farmer as a consequence. When the profitability is reduced, the farmer is faced with the choice of either increasing efficiency or diversification of the business.

The farm management system controlled traffic farming (CTF) aims to reduce soil compaction by restricting the field traffic from agricultural machinery to permanent traffic lanes. Literature and empirical findings show that soil compaction and field traffic from heavy machinery may affect crop growth negatively, reducing crop yields. If grass-clover leys are subject to heavy field traffic the botanic composition might be altered, providing a lower clover content in the forage. Clover as a silage feed is rich in protein providing good conditions for high yielding dairy cows. Grass-clover silage production is generally associated with intensive field traffic.