# Data Engineering Data engineering designs and operates the pipelines that collect, normalize, validate, transform, index, and deliver data for applications or analysis. The symbolic-language project is substantially a data-engineering system: millions of raw records pass through explicit filters and transformations into canonical `MASTER` datasets, indexes, software databases, HTML, wiki output, and books. Related: [[wiki/Corpus Engineering|Corpus Engineering]], [[wiki/Offline Precomputation|Offline Precomputation]], [[wiki/Materialized View|Materialized View]].