Elizabeth Jean (Betty) O'Neil is an American computer scientist known for her highly cited work in

database In computing, a database is an organized collection of data or a type of data store based on the use of a database management system (DBMS), the software that interacts with end users, applications, and the database itself to capture and a ...

s, including

C-Store C-Store is a database management system (DBMS) based on a column-oriented DBMS developed by a team at Brown University, Brandeis University, Massachusetts Institute of Technology and the University of Massachusetts Boston including Michael Stone ...

, the LRU-K

page replacement algorithm In a computer operating system that uses paging for virtual memory management, page replacement algorithms decide which memory pages to page out, sometimes called swap out, or write to disk, when a page of memory needs to be allocated. Page repl ...

, the

log-structured merge-tree In computer science, the log-structured merge-tree (also known as LSM tree, or LSMT) is a data structure with performance characteristics that make it attractive for providing Database index, indexed access to files with high insert volume, such ...

, and her criticism of the ANSI SQL 92 isolation mechanism. She is a professor of computer science at the

University of Massachusetts Boston The University of Massachusetts Boston (stylized as UMass Boston) is a Public university, public US-based research university. It is the only public research university in Boston and the third-largest campus in the five-campus University of Ma ...

Education and career

O'Neil is a 1963 graduate of the

Massachusetts Institute of Technology The Massachusetts Institute of Technology (MIT) is a Private university, private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of moder ...

, majoring in

applied mathematics Applied mathematics is the application of mathematics, mathematical methods by different fields such as physics, engineering, medicine, biology, finance, business, computer science, and Industrial sector, industry. Thus, applied mathematics is a ...

. She completed a Ph.D. in applied mathematics at

Harvard University Harvard University is a Private university, private Ivy League research university in Cambridge, Massachusetts, United States. Founded in 1636 and named for its first benefactor, the History of the Puritans in North America, Puritan clergyma ...

in 1968. Her dissertation was ''A quasi-linear theory for axially symmetric flows in a stratified rotating fluid''. After postdoctoral research at the

Courant Institute of Mathematical Sciences The Courant Institute of Mathematical Sciences (commonly known as Courant or CIMS) is the mathematics research school of New York University (NYU). Founded in 1935, it is named after Richard Courant, one of the founders of the Courant Institute ...

New York University New York University (NYU) is a private university, private research university in New York City, New York, United States. Chartered in 1831 by the New York State Legislature, NYU was founded in 1832 by Albert Gallatin as a Nondenominational ...

, and short-term teaching positions at New York University and the Massachusetts Institute of Technology, she joined the faculty of the University of Massachusetts Boston in 1970.

Book

O'Neil is the author, with

Patrick O'Neil Patrick Eugene O'Neil (1942 – September 20, 2019) was an American computer scientist, an expert on databases, and a professor of computer science at the University of Massachusetts Boston.

, of the book ''Database: Principles, Programming, Performance'' (Morgan Kaufmann, 2nd ed., 2001).

References

External links

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{{DEFAULTSORT:ONeil, Elizabeth Year of birth missing (living people) Living people American computer scientists American women computer scientists University of Massachusetts Boston faculty Database researchers Massachusetts Institute of Technology School of Science alumni Harvard University alumni American women academics 21st-century American women