Method and system for data transfer between databases

Disclosed herein are system, method, and computer program product embodiments for modular fragmentation and messaging across different web applications. An example system may include at least one computer processor, a memory, and a first database, the first database comprising a first procedure specification of at least one first procedure, and a first data field configured to store a data item, the first data field comprising a first logical link within a first data structure of the first database, the first logical link comprising a respective first set of first link specifications, and the first procedure being configured to retrieve the data item stored in the first data field upon execution by the processor. Semantic links between procedure specifications may be determined from matches with logical links. A linked data item stored in one field may be transferred to another field that has a matching logical link.