Odysseas Papapetrou Stavros Papastavrou George Samaras UCYMICRA: Distributed Indexing of the Web Using Migrating Crawlers. 133-147 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2798&spage=133 2003 conf/adbis/2003 ADBIS db/conf/adbis/adbis2003.html#PapapetrouPS03