title: ominisearch : a method for searching dynamic content on the web. authors: henrique paques , ling liu , david buttler , calton pu. venue: sigmod conference. year: 2001
title: a layered architecture for querying dynamic web content. authors: hasan davulcu , juliana freire , michael kifer , i. v. ramakrishnan. venue: international conference on management of data. year: 1999