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diff --git a/README.txt b/README.txt new file mode 100644 index 0000000..f0cf0a9 --- /dev/null +++ b/README.txt @@ -0,0 +1,28 @@ +Cinisis database reader +======================= + +Naming conventions +------------------ + +The following naming conventions are used through Cinisis aiming to help +iterating over all the data from a ISIS database. + + - Database: an ISIS database. + - Entry: a given MFN in the database. + - Value: all the data from a given entry in the database. + - Field: a numbered set of values from a given entry. + - Row: a single value from a given field. + - Main item: the data in a row without a qualifier. + - Subfield: every data in a row within a qualifier. + - Item: either a main item or subfield withing a row. + +Example: + + MFN 1 with entry + 10: First row of field 10^aWith a subfield^bAnd another one + 10: Second row of field 10^bJust with the second subfield + 20: This is the main item^yAnd this is another item + +For that entry we have fields 10 and 20, where field 10 has two rows (i.e, two +repetitions). The main field is the data wich is has no qualifier (^) and a +subfield is the data with qualifiers (like subfields a and b from above). |