![Relevance feedback / Document retrieval / Precision and recall / Relevance / Question answering / Tf*idf / Search engine indexing / N-gram / Language model / Information science / Information retrieval / Science Relevance feedback / Document retrieval / Precision and recall / Relevance / Question answering / Tf*idf / Search engine indexing / N-gram / Language model / Information science / Information retrieval / Science](https://www.pdfsearch.io/img/a705671abece7d1d66d05961a1948554.jpg) Date: 2006-02-21 09:28:49Relevance feedback Document retrieval Precision and recall Relevance Question answering Tf*idf Search engine indexing N-gram Language model Information science Information retrieval Science | | JHU/APL at TREC 2005: QA Retrieval and Robust Tracks James Mayfield and Paul McNamee Research and Technology Development Center The Johns Hopkins University Applied Physics LaboratoryJohns Hopkins Road, Laurel, MaAdd to Reading ListSource URL: trec.nist.govDownload Document from Source Website File Size: 78,77 KBShare Document on Facebook
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