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671 Uppsatser om Relevance lost - Sida 1 av 45

Vad ligger till grund för användares relevansbedömningar?: En litteraturundersökning

The purpose of this thesis is to get an improved understanding of what the bases for relevance are, when people in real information need situations make relevance judgements. In order to meet this purpose, an investigation based on research literature is performed. Four types of relevance are investigated: topical or subject relevance, cognitive relevance or pertinence, situational relevance or utility, and socio-cognitive relevance. The investigation also deals with users relevance criteria identified in fourteen empirical studies, in which the users are adults and engaged in oral, textual, and multimedia information retrieval. Finally, the connections between the user criteria found and the types of relevance are discussed.

PIOTROSKIS FUNDAMENTALA SIGNALER;ÄR DE VÄRDERELEVANTA? : EN NUTIDA STUDIE PÅ STOCKHOLMSBÖRSEN

This study aims to evaluate the value relevance of Piotroski?s (2000) nine fundamental signals. In order to do this, the signals are tested on the OMX Nordic Exchange Stockholm between the years 2003 and 2009. The hypotheses of the study are whether the signals are value relevant and if the value relevance has changed. To test this, a Chi-square test and a regression are used.

Lean Healthcare på Akademiska sjukhuset i Uppsala : En kvalitativ studie om hur läkare upplever att den professionella autonomin påverkas av Lean Healthcare

This study aims to evaluate the value relevance of Piotroski?s (2000) nine fundamental signals. In order to do this, the signals are tested on the OMX Nordic Exchange Stockholm between the years 2003 and 2009. The hypotheses of the study are whether the signals are value relevant and if the value relevance has changed. To test this, a Chi-square test and a regression are used.

Kartläggning av användandet av lönsamhetsmått i svenska tillverkande företag : En kvantitativ studie om utvärdering, problem och åtgärder

Bakgrund: Prestationsmätning och utvärdering är ett ämne som varit under stor debatt desenaste årtiondena. Relevance lost debatten som startades av Johnson och Kaplan i slutet av1980?talet, där den redovisningsbaserade informationen kritiserades som styrmedel, fickmycket stort genomslag i den amerikanska litteraturen. Nya teorier har under de senasteårtiondena växt fram som en lösning på de problem som kan uppstå när utvärdering skerbaserat på enbart finansiella mått. Framförallt de redovisningsbaserade lönsamhetsmåtten haren tendens att leda till beteendeproblem, något som fått samlingsnamnet ROI?beteende.Överensstämmer den amerikanska litteraturen med svensk praxis? Relativt lite forskning harskett inom området och vi finner det därmed av intresse att undersöka användningen i svenskatillverkande företag och presentera en mer nyanserad bild av användningen.Syfte: Syftet med studien är att kartlägga och beskriva vilka prestationsmått som används avföretag och vilka eventuella mät? och beteendeproblem som upplevs vid tillämpning avredovisningsbaserade lönsamhetsmått.

Är enfrågepartier politiskt relevanta? : En studie av enfrågepartier i svenska kommunfullmäktige mandatperioden 2007-2010

The main purpose of this essay was to study whether niche parties that were represented in municipal councils in Sweden during the 2007-2010 term of office were politically relevant. Furthermore, factors that might facilitate political relevance for niche parties were studied. Political relevance was studied using two theoretical perspectives. The objective model of political relevance presents four categories of relevance based on the relations between political parties in a political assembly; governing parties, coalition parties, blackmail parties and isolated parties. The subjective model of political relevance relies on the party representatives? own judgments of the relevance of their parties.

Rocchio, Ide, Okapi och BIM : En komparativ studie av fyra metoder för relevance feedback

This thesis compares four relevance feedback methods. The Rocchio and Ide dec-hi algorithms for the vector space model and the binary independence model and Okapi BM25 within the probabilistic framework. This is done in a custom-made Information Retrieval system utilizing a collection containing 131 896 LA-Times articles which is part of the TREC ad-hoc collection. The methods are compared on two grounds, using only the relevance information from the 20 highest ranked documents from an initial search and also by using all available relevance information. Although a significant effect of choice of method could be found on the first ground, post-hoc analysis could not determine any statistically significant differences between the methods where Rocchio, Ide dec-hi and Okapi BM25 performed equivalent.

Informationssökning i tre olika hypertextstrukturer - ett experiment

The aim of this study was to find out if hypertext structure has any relevance for the efficiency of information retrieval. An experiment, in which three variants of hypertext structure were compared, was carried out in the autumn of 1998. Three websites with different structures were constructed for this purpose: a sequential version, a hierarchical version and a webcluster version. 44 subjects, all students at the University of Lund, were randomly divided into three groups. Subjects were requiered to answer a number of questions using one of the three versions.

Det redovisade resultatets värderelevans - före och efter IFRS

This thesis aims to investigate if there are any differences in the value relevance of yearly earnings announcements before (2000-2004) and after (2005-2009) IFRS were implemented for listed companies in the European Union. To assess the value relevance of earnings, an earnings response coefficient (ERC) is estimated using a linear OLS-regression model. The regression model uses accounting earnings per share as the explaining variable, with the corresponding return starting from (but not including) the previous year's earnings announcement date, ending at (and including) the current earnings announcement date, as the dependent variable. This study finds that there is no statistically significant difference between the estimated ERCs for the two periods. Although no statistically significant difference is found, data shows that the R2-values, which measure the explanatory power of the regressions, are higher for the period before IFRS.

Låt den sista utvägen bli den första ingången : Att underlätta implementeringen av ett nytt intranät då dess föregångare underutnyttjats av de tänkta användarna

The purpose of this thesis was to ease the implement of an upcoming intranet for a target group who had used the previous system to an unwanted low extent. After qualitative and quantitative studies I found that the users of the current intranet thought it was hard to navigate and did not understand neither the relevance of it in their own work nor knew which information it contained.Since I did not have access to the new system by the time of the making of this thesis I concentrated on rectifying possible problems with the new system regarding the relevance and the contained information. With basis in a number of theories I produced an information brochure, whose object was to inform about the content and to convince the target group of the relevance and utility of the new intranet. .

Vad kostar en förlorad apotekskund - en estimering av bristkostnaden för receptbelagda läkemedel på ett konkurrensutsatt apotek i Sverige

After the deregulation of the Swedish pharmacy market customers can be lost due to stock-outs. Optimization of pharmacy inventory levels has thus become increasingly important. To minimize inventory costs while considering the cost of shortages the latter must be estimated. However, the shortage cost is very difficult to compute. Thus, the aim of this paper is to estimate the pharmacy-specific shortage cost parameter and its relation to other inventory costs.

Kalkylens Roll i Lean Production : en studie inom svensk fordonsindustri

Bakgrund: Lean Production uppkom som ett verktyg för att sänka kostnader och därmed öka konkurrenskraften på en allt mer hårdnad marknad. Synen på processtänkande och dess möjligheter har under senare årtionden ökat markant i intresse, däremot har ekonomisystemen inte förändrats i samma takt. Granlund (2001) menar att trots det starka trycket att förändra kalkyleringen använder många företag sig fortfarande av traditionella påläggskalkyler med direkt lön som fördelningsbas. Kaplan & Johnsson belyste redan 1987 problemet och argumenterade för hur traditionella kalkylsystem ger en allt för aggregerad och snedvrängd bild av verkligheten. Den debatt som uppstod är känd under namnet Relevance lost.

Information ur ett poststrukturalistiskt perspektiv: En diskussion kring informationsrelaterade teorier hos Mark C. Taylor, Jacques Derrida och Michel Foucault.

Defining the concept of information has long been the subject of debate within Information Science (IS) and new challenges are constantly presented by new scientific discoveries and new theoretical positions. It is, nevertheless, of key importance for any academic discipline to find definitions on which there is a consensus. The paper therefore aims to clarify the relevance of one of these new theoretical approaches for IS, namely poststructuralism. It does so by describing the theories found in the writings of poststructuralists Mark C. Taylor, Jacques Derrida and Michel Foucault, and discussing their relevance for the three definitions of information suggested by Michael Buckland (Information-as-knowledge, Information-as thing and Information-as-process), thereby answering the following questions: What relevance does Mark C.

En postkolonial analys om det japanska : "Lost in Translation" och "Still Walking"

Uppsatsen använder postkolonial teori för att analysera och jämföra hur filmerna ?Lost in Translation? av Sophia Coppola (2003), och ?Still Walking? av Hirokazu Koreeda (2008), skildrar Japan, japansk kultur och japaner. Valet föll på dessa två filmer av främst tre orsaker: de utspelar sig i Japan; är mer svårtolkade relationsdramer; och utspelar sig i nutid. I ?Still Walking? företräder Japan sig själv, medan amerikaner företräder Japan i ?Lost in Translation?.

Redovisning till verkligt värde: Tillämpningen av IAS 40 i svenska fastighetsbolag

The aim of our master thesis is to study the way valuation of real estate is conducted by real estate companies. Furthermore we want to identify the factors that affect the relevance and reliability of the valuation. The reason for this is the introduction of IFRS, in 2005, and the application of the IAS 40 rules stating that real estate are to be recognized at fair value on the balance sheet. To do this we have performed a case study on 10 Swedish real estate compa-nies listed on the Stockholm stock exchange, OMX, Large Cap and Mid Cap list to see how the share value has performed in relation to the reported net asset value since 2005 and how they value their collection of properties. We also studied the assumptions made by real estate company analysts.

Query Expansion ? en jämförande studie av Automatisk Query Expansion med och utan relevans-feedback

In query expansion (QE) terms are added to an initial query in order to improve retrieval effectiveness. In this thesis we use QE in the sense that a reformulation of the query is done by deleting the terms in the initial query and instead replacing them with terms from the documents retrieved in the initial run. The aim of this thesis is to, in a experimental full text invironment, study and compare the retrieval result of two different query expansion strategies in relation to each other. The following questions are addressed by the study: How do the two strategies perform in relation to each other regarding recall? What may be causing the result? Are the two strategies retrieving the same relevant documents? Two strategies are designed to simulate a searcher using automatic query expansion (AQE) either with or without relevance feedback.

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