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en evaluering av tre webbsöktjänster
… needs, taken from an ask-a-question service. For every search the first 10 hits in each of the three search engines were evaluated. The measures that have been used are precision and overlap. The queries were evaluated on a binary relevance scale with 0 or 1. Precision has been …
en effektivitetsstudie av tre söktjänster på webben.
… 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 …
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 …
… 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 …
En studie av debattsidans genomslagskraft i Aktuellt, Ekot, Göteborgs Posten och Västerbottens-Kuriren
… 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 …
En studie av två globala och en lokal sökmotor.
… and culture. For all questions we evaluated the relevance of the first 20 hits. We used the following measures in our test: Jaccard´s index, precision and average precision. We also looked at factors such as duplicates and error pages, because we consider this to be an important …
… what is happening in the system when your search for example doesn't give any hits. Really important the simplicity seems to be to make a search successful, and this IFLA recommends at the same time as my subjects of the experiment look for it. From my point of view failures …
En effektivitetsstudie
… phrases and queries directed towards a specific field. The ten first hits for each query type have been evaluated for relevance on a three-point scale. Irrelevant, inactive links or duplicates are given the value 0, partially relevant documents are given the value 0,5 and highly …
En evaluering av tre webbaserade söktjänster
… 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 …
en utvärdering av Google, MSNSearch och Svesök
… page. Coverage was measured by calculating the total amount of retrieved hits for each search engine. The results show that Google reached the highest precision values. The results also show that about half of the links judged as relevant did not lead to relevant pages. That …
… 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 …
… area it will pick up speed as it falls towards the bottom. When the shutter hits the bottom of the cabinet there is a potential risk of getting fingers caught and in this project a solution to prevent this from happening was to be presented. In this project, three concepts have …
… fields causes an increased susceptibility of cosmic radiation that constantly hits our planet, therefore it is of great importance that memories is to be tested before used in airborne systems. The purpose of this thesis is to construct a test platform in order to register …
… fields causes an increased susceptibility of cosmic radiation that constantly hits our planet, therefore it is of great importance that memories is to be tested before used in airborne systems. The purpose of this thesis is to construct a test platform in order to register …
… sounds. This is because each front has a plastic flap placed underneath that hits a piece of plastic stuck to the wheel axle. Nine children play tested the toy and their parents were responding to questions about the outcome. The play tests went well and it turned out to be a …
