474 |
Reverse indices |
Reverse indices |
475 |
Reverse indices are application-specific plug-ins |
Reverse indices are application-specific plug-ins |
476 |
which index blocks by properties of their content |
which index blocks by properties of their content |
477 |
rather than by hash. Reverse indices examine each |
rather than by hash. Reverse indices examine the |
478 |
block in a local data store and return hashtable keys |
blocks in a data store and return hashtable keys |
479 |
under which this block should be retrievable. |
under which each block should be retrievable. |
480 |
For example, an index of Ogg Vorbis audio blocks running |
For example, an index of Ogg Vorbis audio blocks running |
481 |
on an artist's Web server could return each word |
on an artist's Web server could return each word |
482 |
occuring in the album and title fields of each song. |
occuring in the album and title fields of each song. |