CollocatorDB: Storing and retrieving collocation counts based on RocksDB

Installation

Install RocksdDB and prerequisites

• install prerequisites on CentOS, FeDora, RHEL

  sudo yum install snappy snappy-devel zlib zlib-devel bzip2 bzip2-devel lz4-devel libzstd-devel libomp-devel
  
  git clone https://github.com/gflags/gflags.git
  cd gflags
  git checkout v2.0
  ./configure && make && sudo make install
  cd ..
  

• install prerequisites on Ubuntu, Debian

  sudo apt-get install libgflags-dev libsnappy-dev zlib1g-dev libbz2-dev liblz4-dev libzstd-dev libomp-dev
  

• install RocksDBn v5.11.3

  git clone https://github.com/facebook/rocksdb.git
  cd rocksdb
  git checkout v5.11.3
  make static_lib DISABLE_WARNING_AS_ERROR=1 && sudo make install-static DISABLE_WARNING_AS_ERROR=1
  make shared_lib DISABLE_WARNING_AS_ERROR=1 && sudo make install-shared DISABLE_WARNING_AS_ERROR=1
  

Install CollocatorDB

make && make install

Provided API

COLLOCATORDB *open_collocatordb(const char *path_to_rocksdb_without_extension);
COLLOCATORDB *open_collocatordb_for_write(const char *path_to_rocksdb_without_extension);
void inc_collocator(COLLOCATORDB *db, uint64_t w1, uint64_t w2, int8_t dist);
void dump_collocators(COLLOCATORDB *db, uint32_t w1, uint32_t w2, int8_t dist);
char *get_collocators_as_json(COLLOCATORDB *db, uint32_t w1);
char *get_collocation_scores_as_json(COLLOCATORDB *db, uint32_t w1, uint32_t w2);
char *get_word(COLLOCATORDB *db, uint32_t w1);

TODO

• extend APIs
• add unit and ci tests
• improve build process

License

Based on RocksDB, CollocatorDB is dual-licensed under both the GPLv2 (found in the COPYING file in the root directory) and Apache 2.0 License (found in the LICENSE.Apache file in the root directory). You may select, at your option, one of the above-listed licenses.