TDB2 databases for LargeRDFBench

This contains TDB2 (the triple store from Apache Jena, version 3.17.0) directories (archived as .tar.zst files) for each of the LargeRDFBench datasets. In order for Jena to accept the data, it had to be cleaned, amending IRIs to make them valid (as per RFC 3987) and replacing _ in lang tags with - (e.g., en_US was changed to en-US).

The input for creating these archives was the .nt.zst files from https://doi.org/10.5281/zenodo.5008280, version 1.0.0.

To bring up a SPARQL endpoint for dataset X at http://localhost:3030/X/sparql, follow the following steps:

Download X.tdb.tar.zst

Run tar --zstd -xf X.tdb.tar.zst

The zstd package may need to be installed

On older versions of tar, --zstd is not avaialble and -I zstd should be used instead.

Run fuseki-server --tdb2 --loc X.tdb --port 3030 /X

Download Apache Fuseki binaries from here

Replace fuseki-server with the full path, unless it was added to your $PATH

Or use a docker container: docker run -it --rm -v $(pwd)/X.tdb:/data -p 3030:3030 alexishuf/fuseki:3.17.0 --tdb2 --loc=/data --port 3030 /X

本数据集包含针对每个LargeRDFBench数据集的TDB2（Apache Jena的三元组存储，版本3.17.0）目录，这些目录以.tar.zst格式归档。为使Apache Jena能够正常加载该数据，需对原始数据进行预处理：修正IRIs以符合RFC 3987规范，并将语言标签中的下划线替换为连字符（例如将en_US改为en-US）。

本归档集的原始输入为来自https://doi.org/10.5281/zenodo.5008280（版本1.0.0）的.nt.zst格式文件。

若要在"http://localhost:3030/X/sparql"地址启动数据集X的SPARQL端点，请遵循以下步骤：

1. 下载X.tdb.tar.zst文件。
2. 执行解压命令：tar --zstd -xf X.tdb.tar.zst
注：可能需要提前安装zstd工具包；若使用旧版tar工具，则不支持--zstd参数，需替换为-I zstd。
3. 启动服务命令：fuseki-server --tdb2 --loc X.tdb --port 3030 /X
可从指定地址下载Apache Fuseki二进制文件；若fuseki-server未添加至系统$PATH环境变量，需替换为其完整路径。
或使用Docker容器启动，执行命令：docker run -it --rm -v $(pwd)/X.tdb:/data -p 3030:3030 alexishuf/fuseki:3.17.0 --tdb2 --loc=/data --port 3030 /X