Sök:

Sökresultat:

11962 Uppsatser om Data collection - Sida 66 av 798

Skattningar i gallringsskog med hjälp av flygburen laserskanning : beräkningar med massaslutenhet

This master?s thesis is a remote sensing study of an area-based method used to detect forest in need of thinning by use of laser data and field samples. Only pine-dominated forest has been included in the study and height limits were set to match empirical restrictions. The study area was in the municipality of Älvsbyn (Latitude 65° 40´ N, Longitude 21° 00´ E), in northern Sweden.The Swedish authority Lantmäteriet is currently laser scanning most parts of Sweden, providing new opportunities and applications. The primary aim of the national laser scanning is to create a new elevation model, useful in consequence analysis of climate changes.

Semantisk interoperabilitet - Dess betydelse för framgångsrik samverkan mellan heterogena informationssystem

Dagens organisationer är alltmera beroende av aktuell och relevant information vid rätttillfälle. Därför är det ytterst viktigt att kunna utbyta information mellan heterogenainformationssystem. Problemet uppstår när data ska tolkas av användare. Olikadefinitioner på begrepp och termer kan leda till misstolkning av data och därefter felaktiginformation. Syftet med studien är att kunna visa de svårigheter som finns för att kunnauppnå den semantiska interoperabiliteten genom att visa illustrerande exempel frånsvenska sjukvården.

Den kombinerade effekten av query-expansion och query-strukturer på återvinningseffektiviteten i ett probabilistiskt system

This thesis deals with query formulation in full text retrieval. The variables studied were query expansion and query structur[INS: e :INS , and the aim of the thesis is to study their co-effects on retrieval performance in a probabilistic system. The expansion was made with synonyms, and the structure by expressing facets and phrases. The study was performed using QPA, Query Performance Analyzer, which includes InQuery retrieval system and a sub-collection of TREC documents with its topics. The measurement used was precision at 11 DCV points.

Analys av data från flyglaserscanning :

In forestry there are always needs of forest data to make good strategic decisions of different actions and economic winning. Usually this data gets from field-estimations made by forest workers with expensive costs and sometimes unsatisfied quality. StoraEnso Skog is a great forest company in Sweden and they have part of the responsibility of the forest own by Bergvik Skog. Bergvik Skog is owner of 1, 9 million hectares productive forest land. Both Bergvik and StoraEnso have great interest in new inventory techniques to get the important forest data. The company Foran Remote Sensing offers the opportunity with airborne laserscanning of forest and forest land. Foran got the mission of Bergvik and StoraEnso to laser scan Bergviks possession in Älvdalen, Dalarna.

Implementering av RS232-protokoll

Den här rapporten innehåller information om hur man skapar en länk mellan en dator och ett minne via en dators serieport. Ett RS232-protokoll används för att upprätthålla den här länken. För att ta hand om minnet samt upprätthålla kommunikationen med datorn har en FPGA programmerats. Intel hex8 formatet används för datan. Ett program för Windows 98 skapades också.

Krav och önskemål på skogsbruksplanen : förbättringspotential med laserskanning

In 2009 The National Land Survey of Sweden, Lantmäteriet, commenced a project intended to provide a new digital elevation model (DEM) of Sweden. The method chosen for the project was airborne laser scanning (ALS). In addition to information about the land surface the project will also provide information about the forest, this as a by-product. This data can be used to estimate forest variables such as height and volume. The estimates are often more reliable than what is standard today. This study is based on interviews with employees and members of the forest owner association Södra in southern Sweden.

Vad är ett djur? : en rapport om veterinärstudenternas djursyn

ABSTRACTThe aim of the study was to survey attitudes towards animals among veterinary students, and to assess how the Swedish veterinary education affected students' perspectives on animals. Students in the first and second years of the study programme were asked to answer the question "What is an animal?" as they saw fit, and the answers were analysed using a qualitative-to-quantitave analysis method called the Elementary Model, which had been developed for the purpose. Results showed a significant decrease in "zoo-perspectives", i.e. views and descriptions of animals as beings with cognitive and motor functions, and a significant increase in "homo-perspectives", i.e.

L?grangmatriskomplettering: En j?mf?relse av tv? algoritmer

L?grangmatriskomplettering innefattar algoritmer som fyller ut saknade v?rden i en matris under antagandet att den kompletta matrisen ?r av l?g rang. Rapporten har unders?kt tv? olika algoritmer f?r l?ngrangmatriskomplettering, singular value thresholding (SVT) och nor malized iterative hard thresholding (NIHT), p? slumpm?ssigt genererad data och ett urval av databasen Netflix prize data. Rapportens syfte ?r att best?mma vilken av dessa tv? algoritmer som l?mpar sig b?ttre f?r komplettering av Netflix-datan och slumpm?ssigt genererad data. F?r att m?ta detta unders?ktes hur n?ra algoritmerna konvergerar till de kompletta matriser na i termer av bland annat RMSE samt hur l?ng tid det tar f?r de olika algoritmerna att k?ra givet olika parameterval.

Ska vi byta väder? -Väderderivat som riskhanteringsinstrument

Background: As a result of the financial markets ever ongoing product innovation a new derivative was introduced in the USA in 1997. A derivative that derived it's value, not from the price of an underlying asset, but instead from a climate factor. It's been known for a long time that revenue in certain industries are affected by weather conditions. The suppliers of weather derivatives claim that these weather sensitive businesses can user weather derivatives in order to lessen weather risk. Purpose: To do a critical evaluation of how weather derivatives can be used by companies as a risk management tool.

Tesauruskonstruktion i ämnet landskapsplanering

This research paper is a thesaurus construction for the interdisciplinary subject of landscape planning. The personnel doing the indexing of documents at the Swedish University of Agricultural Sciences had earlier expressed a need for such a work within the fields of Landscape Architecture and Landscape Engineering. However our objective was not to create a complete thesaurus, but instead a basic construction which the personnel at the Agricultural University could expand upon. The actual construction is based upon ISO 2788-1986, Documentation Ð Guidelines for the establishment and development of monolingual thesauri, and Aitchison, Gilchrist and BawdenÕs Thesaurus Construction (1997). The line of enquiry taken has dealt with the problems relating to the collection, selection and control of indexing terms.

Bör regeln om anvisad leverantör revideras eller rent av avskaffas? : - Om avtalsslutet, kravet på garanterad elleverans och den s.k. supplier centric-modellen på elmarknaden

Internal communication is an important factor in organisations today. For many system development teams it?s critical that the communication works well. Without communication, success would be impossible. This study aims to highlight the effect communication has on the members of agile project teams.

Framtidens marknadsföring - Sociala medier. Fungerar marknadskommunikation via Facebook

Syfte: Undersökningen syftar till att genom observationer av grupper i Facebook beskriva hurföretag i nuläget ska använder sig av denna kommunikationsmöjlighet. Med stöd av teorieroch datamaterial, leder mönster i kommunikationen fram till förslag hur företag kan förbättrasin kommunikation och genom detta nå fram till bättre resultat.Teoretisk referensram: De teorier som ansetts relevanta för undersökningen är kundlojalitet,CRM och CIM.Metod: Insamling av primärdata sker genom observation av sex företags grupper påFacebook. En urvalsdiskussion har lett till valet att undersöka tre större företag och tremindre. För att lättare hantera kvantitativa data används ett verktyg för att bedöma gruppernasaktivitetsnivå. För att strukturera hanteringen av kvalitativ data, har materialet delats in i olikakategorier.

Tor - The Onion Router : En utvinning av lösenord i Tor-nätverket

Uppsatsen bygger på en analys av en exit-nod i Tor-nätverket i syfte att efterlikna ett tidigare experiment från 2007. Experimentet går ut på att analysera den information som kommer genom nätverket för att leta efter okrypterade lösenord. Experimentet görs i syfte att påvisa de brister som finns i nätverket och i användarnas säkerhetsmedvetande. Arbetet utgår från frågeställningarna:Går det att utvinna känslig information från en exit-nod i Tor-nätverket.-       Går det att utvinna okrypterade lösenord från en exit-nod i nätverket?-       Vilka typer av tjänster tillhör lösenorden som uppkommer i analysen av den insamlade data?För att kunna besvara mina tre frågeställningar har jag valt att göra ett experimentellt arbete för att ta reda på om användarna skickar okrypterade lösenord, och till vilka tjänster lösenorden tillhör.

Projektlogistik vid bredbandsinstallation : Optimering av ledtider

Background: The development of the IT-industry, where new technologies and new services continually arise, has led to new players with different specializations. The increased degree of specialization means that these players need to cooperate with each other in different types of projects.Problem definition: What factors are important in a project to achieve the objectives as quickly as possible? More players should lead to cooperation difficulties, how can you coordinate in the best possible way? Today, it is desirable for all parties in the project to shorten down the lead time.Purpose: The main purpose is to explore the different factors that affects the project's lead time concerning broadband installation. The part purpose, is to analyze and assess the conditions for cooperation between different players in the project for broadband installation and to provide a recommendation.Method: In order to answer the problem definition, the paper is structured around a qualitative approach with interviews to obtain data. Mostly, the used data comes from primary sources with an extension of secondary sources.Theories: Theories that are used in the paper are: Communication Process, Communication Plan, Project Planning & Project Plan, Efficiency through collaboration, Communication in a network.Empiric: Empirical data consists of primary data collected through interviews.Analysis: The analysis is based on the variables from the theoretical frame of reference; Communications, Planning, Interaction & Information.

Kameraövervakning : En juridisk analys

Camera surveillance can provide good protection against certain types of crime, but it can also invade our privacy. The County Administrative Board monitors compliance with the rules by visiting those places to which the general public has access. They have to issue permits before general camera surveillance to those places which the general public has access. In certain cases, in stores for example, general camera surveillance is permitted only if the Country Administrative Board is notified in advance. The Data Inspection Board is a public authority and responsible for the camera surveillance for those places to which the public not has access.

<- Föregående sida 66 Nästa sida ->