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collection probability 9.90716E-4
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query modeling 9.392350000000001E-4
modeling query 9.392350000000001E-4
external corpus 9.37494E-4
final query 9.02541E-4
news corpus 8.986809999999999E-4
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language modeling 8.94934E-4
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collection statistics 8.56698E-4
original query 8.55944E-4
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query terms 8.45388E-4
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external collection 8.35988E-4
edge source 8.3366E-4
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query estimate 8.26285E-4
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query help 8.20709E-4
query representa 8.18774E-4
small number 8.15613E-4
query clarity 8.14508E-4
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concept query 8.10852E-4
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query expan 8.06363E-4
query clar 8.04833E-4
query likeli 8.04833E-4
topic set 8.03067E-4
other types 8.02047E-4
post corpus 8.01267E-4
blog search 8.00699E-4
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news collection 7.97175E-4
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blog collection 7.89077E-4
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corpus dif 7.76723E-4
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retrieval results 7.76273E-4
retrieval performance 7.64204E-4
language usage 7.62231E-4
unfocused language 7.60709E-4
unexpected language 7.60709E-4
retrieval framework 7.59305E-4
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general topic 7.4625E-4
prior probability 7.44435E-4
blog retrieval 7.37712E-4
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document collections 7.344389999999999E-4
retrieval task 7.279369999999999E-4
expansion techniques 7.221599999999999E-4
expansion documents 7.18841E-4
forward approach 7.18453E-4
global collection 7.15514E-4
knowledge source 7.10044E-4
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tion retrieval 6.98001E-4
ument collection 6.92695E-4
external collections 6.92287E-4
parameter settings 6.88165E-4
retrieval systems 6.849009999999999E-4
explicit parameter 6.843870000000001E-4
appropriate source 6.79432E-4
information need 6.789319999999999E-4
ternal collection 6.78222E-4
ranking expansion 6.77379E-4
parameter tuning 6.76981E-4
available information 6.76754E-4
external corpora 6.756539999999999E-4
tire collection 6.74421E-4
expansion technique 6.69713E-4
expansion terms 6.65245E-4
trec topic 6.63184E-4
multiple ways 6.62242E-4
