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» Recommender Systems by means of Information Retrieval
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MOBISYS
2011
ACM
9 years 8 days ago
Indoor localization without infrastructure using the acoustic background spectrum
We introduce a new technique for determining a mobile phone’s indoor location even when Wi-Fi infrastructure is unavailable or sparse. Our technique is based on a new ambient so...
Stephen P. Tarzia, Peter A. Dinda, Robert P. Dick,...
WWW
2004
ACM
10 years 10 months ago
Incremental formalization of document annotations through ontology-based paraphrasing
For the manual semantic markup of documents to become widespread, users must be able to express annotations that conform to ontologies (or schemas) that have shared meaning. Howev...
Jim Blythe, Yolanda Gil
books