IndexerOutputFormat.java: org.apache.nutch.indexer
SummarizerFactory.java: org.apache.nutch.searcher
DefaultFetchSchedule.java: org.apache.nutch.crawl
LinkDbInlinks.java: org.apache.nutch.searcher
ArcInputFormat.java: org.apache.nutch.tools.arc
GenericWritableConfigurable.java: org.apache.nutch.util
SubcollectionIndexingFilter.java: org.apache.nutch.indexer.subcollection
