sökfrågestruktur & sökfrågeexpansion
D-uppsats · Högskolan i Borås · 2008
This Master’s thesis examines different retrieval strategies used in cross-language information retrieval (CLIR). The aim was to investigate if there were any differences between baseline queries and translated queries in retrieval effectiveness; how the retrieval effectiveness …
En komparativ studie av fyra metoder för relevance feedback
D-uppsats · Högskolan i Borås · 2008
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 …
