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surf

the SUccinct Retrival Framework.

requirements

  • gcc 4.7 or clang 4.3
  • indri to convert indri indexes to surf input format

installation

cd surf
git submodule init
git submodule update
cd build
cmake ..
make

building an index

cd surf/build
./surf_index-IDX_D -c ../collections/wikishort/

querying an index

cd surf/build
./surf_search -c ../collections/wikishort/ -q <qryfile> -k 10

creating an indri index and converting it into surf format

create the indri index

cd ./indri-5.6/
./configure
make
cd buildindex
# change indri config to correct storage locations
./IndriBuildIndex ./surf/extras/gov2.indricfg

convert the index into surf format

cd surf/tools
# change path of indri source code in Makefile
make
# ./indri_to_surf <path_to_indri_repo> <path_to_surf_repo>
./indri_to_surf ../collections/gov2indi ../collections/gov2/ 

starting a daemon

an index daemon can be started in the background and listen on a specific port for search requests

cd build
./surf_daemon-IDX_D -c ../collections/wikishort/ -p 12345

querying the search daemon

the daemon can be queried via the network or localhost

cd build
./surf_query -q <qry_file> -h 127.0.0.1:12345 -k 10

shutting down the daemon

the daemon can be terminated via the query client.

cd build
./surf_query -q <qry_file> -h 127.0.0.1:12345 -k 1 -s

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SUccinct Retrieval Framework

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