Use Parquet format instead of CSV for data consumption #17
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Closes #4.
The aim of this PR is to generate parquet data files instead of CSVs (much smaller in size, while keeping schema as part of the data), so that we can ingest the parquet data into the Neo4j and Kùzu graphs.
pl.read_parquet
instead ofpl.read_csv
is much less verbose because we don't have to worry about specifying separators and other schema informationTo do