In this era of Big Data, there are many public web repositories for people to access, retrieve,
and store data. It is natural for dataset search queries to include quantities along with their
units. Describing data in terms of units is an important characteristic when that data is to be
used, even though such units are often not present in the data schema. However, quantity
names are often provided with or without corresponding units in the column name or in an
abbreviated format. Quantity names (eg, length, weight and time) can be matched to a set of …