However, Oracle databases store schema objects logically within a tablespace of the database. Applicant eligibility is checked by comparing the service delivery database with other databases. Structured data typically resides in databases or datasets. Alternatively, they can incorporate data compiled from multiple other databases. Some search engines also mine data available in databases or open directories. Data modeling is also used as a technique for detailing business requirements for specific databases. Endnote can import records from other databases or text files. Graph databases are technologies that are translations of the relational OLTP databases. They borrow aspects of navigational databases, hierarchical databases and relational databases. Much of the data available in consolidated databases is self-reported and unverified. Similar ideas include linking patient databases and healthcare asset information. Few parties have realtime access to the complete databases. Record linkage is a common application where records from two disparate databases are matched. It is common in mainframe shops to deal with massive databases and files. Searches in Scopus also incorporate searches of patent databases.