EPEI

An RDF Retrieval System Based on Efficient Predicate-Entity Indexing

A Vue front-end is avaiable here.

How to build

1. Clone this project

git clone https://github.com/MKMaS-GUET/EPEI
git submodule update --init --recursive

Maybe it's need to update the submodule for this project

git submodule update --remote

2. Build this project

cmake -B build -DCMAKE_BUILD_TYPE=Release
cmake --build build

Or use the build.sh script to build this project directly

./scripts/build.sh

RDF data and Queries

Download the RDF data and queries that we want to use:

• 1 Watdiv100M
• 2 Wikidata

How to use

Usage: epei <command> <args>

Description:
  Common commands for various situations using EPEI.

Commands:
  build      Build the data index for the given RDF data file path.
  query      Query the SPARQL statement for the given file path.
  server     Start the EPEI server.

Args:
  -h, --help      Show this help message and exit.
  --db, --name <NAME>    Specify the database name.
  -f, --file <FILE>    Specify the RDF data file path.

Build RDF database:

epei build --db <rdf_db_name> -f <rdf_file_name>

Execute SPARQL query:

sparql:

epei query --db <rdf_db_name> -f <sparql_file_name>

Run http server:

epei server --port <server port>