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| ||mb1431||0.85||0.56||0.55|| b=0.001, k=1.1 || Bonus points for highly ranked movies || | ||mb1431||0.85||0.56||0.55|| b=0.01, k=0.77 || Bonus points for highly ranked movies || ||dl121||0.61||0.48||0.46|| b=0.5, k=1.3 || None || ||mm1460||0.79||0.55||0.55|| b=0.40, k=2.00 || Removed some words, added some words, added score as ln(IMDb) || ||sa347||0.85||0.56||0.54|| b=0.001, k=0.75 || None (tried removing words shorter than 3, adding synonym for "movies" & "films", and multiplying rating by rank, but results did not improve || ||kn115||0.67||0.49||0.47|| b=1, k=0.1 || Removed common words and adding synonyms || ||ca189||0.85||0.56||0.53|| b=0.01, k=0.7 || None || ||bg162||0.79||0.57||0.58|| b=0.2, k=1.0 || Removed "redundant" words, used ratings and popularity in the score|| ||sb986||0.76||0.56||0.56|| b=0.03, k=0.9 || Removed words less than 2 letters from queries|| ||rm243||0.81||0.55||0.53|| b=0, k=0.9 || none|| ||aa272||0.82||0.56||0.57|| b=0.0, k=0.9 || Remove pairs of words, taking certain grammatical structures into account. Remove short words.|| ||dg262||0.73||0.54||0.46|| b=0.2, k=0.9 || None|| ||eg128||0.73||0.51||0.51|| b=0.05, k=1.75 || r * (log(num_ratings) + rating) + (1 - r) * bm25, r=0.2 || ||rs476||0.75||0.54||0.53|| b=0.01, k=1.2 ||None|| |
Results for Exercise Sheet 2 (Ranking)
These results should be based on the file movies.test-benchmark.tsv. Click "Edit" in the upper bar of this page and add your row to the table below, following the examples already there. Please write down all values with exactly two digits of precision. In the first column, write your account name.
Name |
MP@3 |
MP@R |
MAP |
BM25 Parameters |
Refinements |
np1042 |
0.73 |
0.54 |
0.55 |
b=0.2, k=0.8 |
None (baseline) |
mr488 |
0.72 |
0.57 |
0.56 |
b=0.1, k=1 |
log(imdb) |
nw164 |
0.76 |
0.56 |
0.55 |
b=0.1, k=1.05 |
Penalty for short and common words, removed words from query, bonus for higher ranked movies |
mb791 |
0.61 |
0.56 |
0.55 |
b=0.12, k=0.9 |
log(# imdb votes), removed words from queries |
do67 |
0.79 |
0.54 |
0.55 |
b=0.2, k=0.8 |
multiply with number votes mapped to a number between 1 and 2 |
as1936 |
0.79 |
0.57 |
0.58 |
b=0.15, k=0.85 |
Filtering commonly used words, bonus if the words in query are part of the title, adding the imdb score, adding the log(number_of_votes) |
mn279 |
0.81 |
0.54 |
0.55 |
b=0.1, k=0.75 |
bonus if the words in query are part of the title, removed words from queries |
jm700 |
0.79 |
0.56 |
0.56 |
b=0.08, k=0.9 |
ignore words with 2 characters or less |
gf52 |
0.75 |
0.54 |
0.56 |
b=0.15, k=1.35 |
added blacklist of common english words, included parameters for weighting the impact of IMDb votes, ratings and Wikimedia pages |
ek223 |
0.76 |
0.55 |
0.56 |
b=0.08, k=0.70 |
ignore short words, reduce influence of common words |
cw441 |
0.85 |
0.54 |
0.56 |
b=0, k=0.5 |
ignore short words, bonus for higher ranked movies |
ls1369 |
0.70 |
0.56 |
0.53 |
b=0.1, k=0.9 |
remove single word delimeter words from queries and add the log of the iMDB votes to the score |
ap367 |
0.79 |
0.54 |
0.54 |
b=0.04, k=1.15 |
None |
cd100 |
0.76 |
0.51 |
0.54 |
b=0.09, k=0.81 |
10% score boost for docs containing all words (which unfortunately seems to be bad for the metrics) |
bo30 |
0.84 |
0.52 |
0.52 |
b=0.02, k=0.59 |
ignore short words, random search for b and k values |
bs249 |
0.79 |
0.55 |
0.53 |
b=0, k=1.1 |
None |
sa328 |
0.75 |
0.60 |
0.61 |
b=0.3, k=0.85 |
None |
hv30 |
0.73 |
0.54 |
0.56 |
b=0, k=1.15 |
ignore short words, blacklist for some common words, reward containing multiple words, log(number of Wikimedia pages) |
tg241 |
0.76 |
0.55 |
0.55 |
b=0.03, k=1.35 |
ignore short and common words, boost score for movies with high popularity, imdb_rating and votes, boost queries with all keywords |
sr530 |
0.72 |
0.55 |
0.55 |
b=0.04, k=1.15 |
None |
eh169 |
0.70 |
0.52 |
0.49 |
b=0.25, k=1 |
Removed short words, multiplied score by rating and popularity |
kd130 |
0.76 |
0.53 |
0.54 |
b=0, k=1.1 |
Removed common words |
rs532 |
0.76 |
0.53 |
0.56 |
b=0.13, k=0.75 |
None |
ch557 |
0.67 |
0.52 |
0.5 |
b=0.09, k=0.8 |
Removed words from queries |
mz226 |
0.85 |
0.55 |
0.56 |
b=0.08, k=0.9 |
Removed short words from queries, multiplied document scores by a value depending on the number of votes |
ak913 |
0.85 |
0.56 |
0.56 |
b=0, k=1.1 |
Removed short words from queries, used bonus score from votes, rating and no.of wiki pages |
jh594 |
0.76 |
0.55 |
0.53 |
b=0.008, k=1.11 |
None |
je249 |
0.72 |
0.52 |
0.53 |
b=0.001, k=1 |
Removed all words shorter than 4 |
bs426 |
0.76 |
0.54 |
0.54 |
b=0.2, k=0.8 |
Removed the 100 most common english words |
ja162 |
0.81 |
0.55 |
0.56 |
b=0.05, k=0.9 |
Slight boost of results containing all keywords |
me284 |
0.76 |
0.53 |
0.55 |
b=0.14, k=0.96 |
None |
zh11 |
0.82 |
0.56 |
0.54 |
b=0.0, k=0.9 |
None (baseline) |
ec141 |
0.78 |
0.54 |
0.53 |
b=0.0, k=1.0 |
None (baseline) |
jn159 |
0.42 |
0.41 |
0.37 |
b=0.1, k=1.5 |
None |
yh77 |
0.76 |
0.57 |
0.57 |
b=0.0, k=1.2 |
Removed words from queries, word in title 3x times more important than in description |
sp360 |
0.79 |
0.55 |
0.54 |
b=0.001, k=1.1 |
None |
mb1431 |
0.85 |
0.56 |
0.55 |
b=0.01, k=0.77 |
Bonus points for highly ranked movies |
dl121 |
0.61 |
0.48 |
0.46 |
b=0.5, k=1.3 |
None |
mm1460 |
0.79 |
0.55 |
0.55 |
b=0.40, k=2.00 |
Removed some words, added some words, added score as ln(IMDb) |
sa347 |
0.85 |
0.56 |
0.54 |
b=0.001, k=0.75 |
None (tried removing words shorter than 3, adding synonym for "movies" & "films", and multiplying rating by rank, but results did not improve |
kn115 |
0.67 |
0.49 |
0.47 |
b=1, k=0.1 |
Removed common words and adding synonyms |
ca189 |
0.85 |
0.56 |
0.53 |
b=0.01, k=0.7 |
None |
bg162 |
0.79 |
0.57 |
0.58 |
b=0.2, k=1.0 |
Removed "redundant" words, used ratings and popularity in the score |
sb986 |
0.76 |
0.56 |
0.56 |
b=0.03, k=0.9 |
Removed words less than 2 letters from queries |
rm243 |
0.81 |
0.55 |
0.53 |
b=0, k=0.9 |
none |
aa272 |
0.82 |
0.56 |
0.57 |
b=0.0, k=0.9 |
Remove pairs of words, taking certain grammatical structures into account. Remove short words. |
dg262 |
0.73 |
0.54 |
0.46 |
b=0.2, k=0.9 |
None |
eg128 |
0.73 |
0.51 |
0.51 |
b=0.05, k=1.75 |
r * (log(num_ratings) + rating) + (1 - r) * bm25, r=0.2 |
rs476 |
0.75 |
0.54 |
0.53 |
b=0.01, k=1.2 |
None |