Sök:

Sökresultat:

29 Uppsatser om Hits - Sida 1 av 2

Google, Yahoo! och Live Search: en evaluering av tre webbsöktjänster

The purpose of this Master?s thesis is to evaluate three general query-based web search engines. The search engines chosen are Google, Yahoo! and Live Search. The topics, which where transformed into twenty queries, are based on real users? information needs, taken from an ask-a-question service.

Att analysera och skriva hitlåtar

I det här arbetet har jag analyserat hitlåtar för att utvecklas som låtskrivare. I min metod analyserade och lyssnade jag på musik. Resultatet blev tre färdigskrivna poplåtar..

Kriskommunikation : eller"Det snöade för mycket"

When a crisis Hits a company, it is very important that the company communicate with its customers. Communication is important for a company in crisis because this is a way for the company to tell their side of the story and thereby try to get the customers to see things their way. Because mass media reaches a lot of people, it is a simple and fast way for companies in crisis to get their message out to the world. Mass media can be very useful for a company, but it can also be a problem. Mass media and companies in crisis may or may not have the same purpose with the communication.

Ask.com, Web Wombat och Yahoo: En studie av två globala och en lokal sökmotor.

This thesis is focusing on how global and local search engines retrieve information from the local domain. The three search engines tested are the global search engines Yahoo, Ask.com and the local search engine Web Wombat. The questions we examined were: which search engine has the best retrieval effectiveness? Could there be other reasons than retrieval effectiveness, to choosing a local search engine?For our test we constructed 20 questions related to Australia.We chose to divide the questions into topics like nature, sports and culture. For all questions we evaluated the relevance of the first 20 Hits.

All the Web, Alta Vista och Google: en effektivitetsstudie av tre söktjänster på webben.

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.

Primär eller sekundär söktjänst? En effektivitetsstudie av söktjänsten Google och metasöktjänsten Dogpile

This thesis examines the retrieval effectiveness of two Web search engines. The two search engines are chosen to represent two different types Google as a broad general search engine and Dogpile as a broad general metasearcher. Twenty queries have been used and the first twenty Hits for each query were evaluated for relevance. The queries were invented by the authors, based upon their interests and information needs. They were expressed in a general manner, by using one or several keywords, in accordance with the simple search mode available for each search engine.

DN Debatts överskattade inflytande på andra medier : En studie av debattsidans genomslagskraft i Aktuellt, Ekot, Göteborgs Posten och Västerbottens-Kuriren

This study intends to examine the impact of a well known debate page in one of Sweden?s biggest newspapers, Dagens Nyheter. We have done this by analysing Ekot, Aktuellt, Göteborgs Posten and Västerbottens-Kuriren to see to what extent they ?take? news from the debate page.The method used was content analysis and to describe some of our thoughts about how we placed the Hits in different categories we chose eight of our Hits to exemplify.The material from the newspapers, radio and television was examined to discover the potential impact from the debate page.To carry out this study we have mainly used theories about how media get influenced by each other?s news and how they do follow-ups and refer to the original media. Other theories of importance for our study are for example those about what kinds of events that become news and how media influences people?s thoughts about what?s important.One of the most important conclusions we were able to draw after carrying out our study was that the debate page in Dagens Nyheter has quite a small impact on what our chosen media reported on.

En undersökning av Libra IIIs OPAC utifrån två perspektiv

This master thesis is an attempt to study the interface in itself, where the human meets the machine and the problems that can arise. I study a particular interface, namely the OPAC of Libra III. In 1999 IFLA presented recommendations for what an OPAC shall contain, and in one part of my master thesis I compare Libra III with these recommendations from my opinion. In another part of my master thesis I make an investigation where I let five by me chosen persons answer some questions from me, both by doing and verbally. I draw the conclusion that Libra III follows most of the recommendations of IFLA in a sufficient way.

Kvantitativ studie om knappsatsdesign och knappstorlekars påverkan på träffsäkerhet

A mobile testing application using Unity was developed to analyse what impact button sizes and button layouts has on the accuracy of touch as well as the time to finish a labyrinth. This was tested on a Nexus 4 phone. 28 users navigated a small object through a labyrinth in which they collect keys to open the door to the exit. Each participant did the test 6 times with different combinations of button size and button layout each time, done in a random order. Hits, misses, completion time, order of button size and order of button layout was collected and then visualized using R.

Hur effektiva är de egentligen?: En evaluering av tre webbaserade söktjänster

The purpose of this masters thesis is to evaluate the retrieval effectiveness of three different search engines on the Internet: Google, Yahoo! and MSN Search. We have constructed 25 topics and queries with varying contents, in order to test the width of the search engines as much as possible. In every search we have evaluated the first 20 Hits in each of the search engines. The measures we have used are precision and cumulated gain. Precision is based on a binary scale and cumulated gain is calculated by means of a non-binary relevance scale.

?Bollen susade in i bortre gaveln? - En studie i rörelsekonstruktioner och produktivitet

This paper investigates the grammatical construction intransitive motionconstruction with GOAL as it is used in Swedish (Swe. intransitivrörelsekonstruktion med MÅL).I examine in which ways the construction is productive, i.e. thepossibility to use the construction with new verbs as well as withordinary motion verbs with new functions. The notion of productivity isbased on the construction?s type frequency and semantic openness(Goldberg 1995, 2006; Barðdal 2008; Bybee 2010).

En utvärdering av två pearl growing-metoder i ISI Web of Science

The purpose of this thesis is to evaluate two pearl growing methods in ISI Web of Science. The methods tested are Find Related Records FRR, an automatic service that uses bibliographic coupling, and Author Keywords AK, where searches are performed using the two first keywords from this field. Both search methods were used on twenty initial documents and the first twenty Hits were evaluated for relevance using a binary scale 0,1. The relevance criteria were based on specific information needs connected to every initial document. The measures used to evaluate the effectiveness of the search methods were Precision at DCV=10, P10, and Uninterpolated Average Precision AP.

Informationens betydelse vid kolorektalcancerscreening : En forskningsöversikt

Bakgrund Mäns våld mot kvinnor är ett globalt hälsoproblem, som spänner över såväl religiösa, geografiska som socioekonomiska gränser. En metod för att hitta dessa kvinnor är att administrera ett så kallat screeningverktyg eller frågeformulär. De tillgängliga verktygen är många och inget anses än vara vedertaget inom svensk hälso- och sjukvård.Syfte Att sammanställa en översikt av olika screeningverktyg som kan hjälpa sjuksköterskan att upptäcka mäns våld mot kvinnor.Metod Litteraturöversikt i form av en beskrivande sammanställning, baserad på tolv vetenskapliga artiklar av kvalitativ ansats.Resultat En sammanställning av sex screeninginstrument (ASI, Hits, PVS, STaT, WAST och WEB) presenteras. Frågeformulärens sensitivitet och specificitet redovisas, exempel på frågor samt styrkor och svagheter i formuläret beskrivs.Slutsats De sex beskrivna screeninginstrumenten har ett gemensamt syfte, att upptäcka våld. De skiljer sig åt i psykometriska egenskaper och är svåra att jämföra med varandra.

Typer av sökfrågor på webben: En effektivitetsstudie

The purpose of this thesis is to examine the performance of different types of queries in the AltaVista query-based search engine. Thirty information needs have been collected from an ask-a-question service on the World Wide Web, which means that they are based on real users information needs. This is done to avoid partiality in the study. The author has invented different types of queries for each and every one of the information needs in accordance with the search syntax available for AltaVista. The types used are Boolean expressions, queries including proximity operators, phrases and queries directed towards a specific field.

Globala och lokala sökmotorer: en utvärdering av Google, MSNSearch och Svesök

The purpose of this thesis is to evaluate three search engines with regard to retrieval effectiveness of information specific to Swedish users. Coverage and the precision in result descriptions are also examined. The three selected search engines are Google, MSN Search and Svesök. 30 queries were tested against the search engines and the first 20 result descriptions and results were judged for relevancy. Relevancy was judged by a binary scale.

1 Nästa sida ->