Reading lists are OPML documents that point to RSS feeds, like most of the OPML documents you find, but instead of subscribing to each feed in the document, the reader or aggregator subscribes to the OPML document itself.
The OpenLaszlo platform allows developers to create applications with the rich user interface capabilities of desktop client software and the instantaneous no-download Web deployment of HTML.
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H. Halpin, and H. Thompson. WWW '06: Proceedings of the 15th international conference on World Wide Web, page 679--686. New York, NY, USA, ACM Press, (2006)
F. Flores, V. Quint, and I. Vatton. DocEng '06: Proceedings of the 2006 ACM symposium on Document engineering, page 188--197. New York, NY, USA, ACM Press, (2006)