Hadoop, technology designed to house big data A framework for managing data
Hashing algorithm An algorithm converts data values into an address
Heuristic process An iterative process, where the next step of analysis depends on the
results attained in the current level of analysis
HIPAA The law protecting medical privacy
Hit An occurrence of data that satisfies one or more search criteria
Hollerith punched cards An early means of storing data, typically containing 80
columns
Homograph A word or phrase whose interpretation depends on the person who
originally wrote the word or phrase
Homographic resolution The process of contextualizing data based on the identity of
the person who uttered the text
Host The processor receiving and processing a transaction
HTML Hypertext markup language
IBM A large computer manufacturer
IBM 360 A machine that standardized operating systems. With the IBM 360 line, there
was compatibility of processing across different machine types. A revolutionary
technology that changed the face of computing
Identifier An attribute used to pick out a row of data from a collection of rows of data
IDMS A network DBMS by Cullinet
Image A picture, such as a real estate photo of a house for sale or an x-ray
IMS Information management system—a hierarchical DBMS by IBM
Index A database shows the address of a database record based on a value found in the
record
Glossary