Lorel is a query language created in 1996 by Serge Abiteboul and Dallan Quass and Jason McHugh and Jennifer Widom and Janet L. Wiener.
| #3142on PLDB | 28Years Old |
Lorel Query Language for Semistructured Data
select Guide.restaurant.name,
Guide.restaurant(.address)?.zipcode
where Guide.restaurant.% grep "cheap"