[From OTN]
This column shows you two new features in Oracle Application Development Framework (Oracle ADF) 11g that make data entry easier and more efficient for end users. You’ll configure a declarative list of values (LOV) with an autocompletion feature (similar to what you may have used in Oracle Forms). In the process, you’ll see how the automatic partial page refresh (auto-PPR) capability simplifies delivery of interactive pages that automatically update to reflect changed data.
The article continues at
http://www.oracle.com/technology/oramag/oracle/09-jan/o19frame.html