| H89-2022 | that can provide information and | navigational assistance | for a geographical area within |
| H91-1078 | Voyager system , which provides | navigational assistance | for Cambridge , Massachusetts |
| W13-4507 | Generation ( NLG ) to provide | navigational assistance | . Their work , Coral , generate |
| H91-1072 | to answer spoken queries about | navigational assistance | in the Cambridge , MA , area |
| H90-1043 | served ) as well as providing | navigational assistance | between them . VOYAGER accepts |
| H89-2009 | an expert system which provides | navigational assistance | for the area between MIT and |
