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piXserve-ALERT |
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piXserve-ALERT is an add-on module that provides integrated alerting
capabilities to the piXserve eco-system. piXserve-ALERT
actively watches and keeps track of the indexing activities on other
piXserve machines, and issues notifications when items of interest
to users are "seen" during those indexing runs.
Users
create alert criteria much in the same way as they create search
criteria. They can use a combination of images, objects within
images, text strings, keywords, notions, etc., and package an alert
criteria using standard operators (AND, OR, NOT). Alert
criteria are stored on the piXserve-ALERT server. Multiple
"feeds" can be monitored by piXserve-ALERT. A "feed" is an
indexing task being carried out by a piXserve machine on the
network. Examples of "feeds" are: indexing a live video
stream from a multicast-IP camera; running a batch-index process
that is monitoring image/video files being dropped to a directory;
crawling a web site; etc. piXserve-ALERT makes very rapid
comparisons at frequent intervals to detect if a user's alert
criteria match what was just "seen" on the indexing machine.
When a match is made, a signal in the form of a message is generated
by piXserve-ALERT. The message is forwarded to either of two
outputs: an e-mail to the user or/and a message that can be picked
up asynchronously from the piXserve-ALERT server using an
ActiveMQ-JMS interface.
Users can create private and public
alerts. If an alert is public, other users can subscribe to it
and receive notifications at the same time that the alert creator
does. The e-mail that is received by the user contains the
name of the alert, the time it was fired, the feed, and a link that
the user can click on to view the image or play the video segment.
The piXserve User Workspace environment contains an area
where alerts can be created and modified, and alert histories can be
viewed. This area seemlessly integrates with the search
environment to enhance user productivity.
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