Protege 3.4 Beta update (build 516)

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Protege 3.4 Beta update (build 516)

Jennifer Vendetti
There is a new beta build available on our Web site:

Changes in Core Protege
- Made several performance optimizations for the client-server mode,
namely that RMI can compress data before sending it over the wire. More
information about configuration settings for the Protégé server are
available on the wiki [1].
- Added debug and performance monitoring support in the Protégé logger
for client-server mode. More information is available on the wiki [2].

Changes & Bug Fixes in Protege-OWL
- Optimized performance of the OWL Individuals tab (not the Instances
Tab!) in client-server mode for classes with large number of individuals
that have browser slots configured. The MultiResourceWidget now uses a
different structure for retrieving property values from the server that
contains among other things, the individual and the browser text. This
means that computation of the browser text can now be done on the
server, thus preventing multiple calls across the network. Performance
of the OWL Individuals tab is also much improved by using the
compression mentioned above. Finally, we optimized several parts of the
UI code to minimize the number of network calls.

- Added a fix for possible name conflict problems at parse time (e.g.,
if you import an OWL file into a OWL database) by using a random number
generator for the anonymous class and individual names.
- Added a fix for the native writer that saves each import with its own
- Creating a subproperty will now create a property that has all the
types of the super-property.

- Fixed several refresh problems in the UI that occurred after renaming
an entity (this applies to both Frames and OWL), changing the range of a
datatype property, etc.

- Fixed a problem in the OWL Properties tab that made properties appear
twice when designating a property as functional.

- Fixed some memory leaks when disposing a project.

- The Add type button in the OWL Individuals tab is now disabled if no
individual is selected.

- Fixed some bugs that could involve data loss, including a) values of
sub data properties can be lost when an OWL ontology is parsed, and b)
database import of projects with individuals can become corrupted.

As always, a web-based version of the release notes is available on our
site [3].

The Protege Team


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