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A Multidimensional Model and Query Operations for Contextualized Knowledge Graphs

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Knowledge Graph OLAP (KG-OLAP)

The KG-OLAP proof-of-concept prototype ships as a Maven project and supports creating a binary package.

mvn clean package

In the bin folder we also provide pre-compiled binaries, which contain shell scripts for running the performance experiments. In order to run the shell scripts, you will need a GraphDB instance running on localhost on port 7200. You can change hostname and port number in the in the set-variables.sh script accordingly.

In the benchmarks folder, we also provide logs from our performance experiments for benchmarking purposes. The benchmark.log file contains measurements of run times, the benchmark-statistics.log contains some numbers characterizing the datasets and delta tables of the individual test runs. Note that the logs are not cleaned. In particular, we re-ran some of the tests due to system failures and in order to check extraordinary performance results.

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