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NDCG in ireval
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I have a question about the evaluation utility ireval that comes with
galago (and indri).
Is the value of NDCG that it reports calculated over all positions in
the ranking? Since no positional info is given, I assume it's not
NDCG@10 or similar. Is that correct?
Thanks,
-Miles
-- Miles Efron... more »
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How to conduct significant test on cross validation
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Hi all,
I am not sure whether this question is suitable here or not, but this
group is the only place that I found suitable for discussing it. I
tried to post this question in the IR's stackexchange proposal, but
the proposal seems not to progress any more; hence, most probably, the
question will not be answered.... more »
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Index Updation
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can some direct me from where should i start to write code for Index
update in galago, i have tried to debug the code and finally reached
to this conclusion also that i have to use the major properties/
function of InderReader(to read existing index and new one index) then
manipulate(mix them) it with new one and then Use IndexWriter to write... more »
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Index structure in galago
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Hello,
Can anyone kindly tell me the structure of Inverted index in galago.
As in, what data structure is used and how the posting lists are
arranged. Also, I wanted to apply an in-place update strategy on
inverted index in galago. Can someone give some pointers on how to go
about it.
Looking forward to a fruitful discussion.... more »
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results query in Galago
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I have a problem in performing a task I can not wyjasniec performance
of individual queries. please help
Query, “mountain climbing” editing the last part of the query as
follows:
(a) feature:dirichlet( #extents:climb:part=stemmedPos tings() ) )
(b) feature:dirichlet( #extents:climb:part=postings() ) )... more »
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How to index xml documents in corpus?
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I have a bunch of xml documents. How can I index them in galago?
I aim to extract only a specific/relevant portion of the xml file in
response to a user's query.
I used following command to build the index :
galago build xyz.index folderofxmldocumnts/
But its not working!
Can some1 help?... more »
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#scale operator
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Hello! Could anyone tell me if have tried the "#scale" operator? I run the query "dog cat" and then "#combine( #scale:1.5( #text:dog() ) #scale:2.0( ...Thanks in advance!
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Discussion about the Galago Search Toolkit, including TupleFlow. (