This section lists all blog posts, regardless of topic.
The has_a relationshipJuly 9, 2008
The
is_a relationship allows us to encode a lot of information about the world, but it only gets us so far. The next logic step is to introduce the
has_a relationship which allows us to describe what something consists of. Some examples:
The is_a relationshipJuly 9, 2008
Perhaps the most fundamental relationship is the
is_a relationship. Some examples:
This directional relationship can be used in two different contexts:
1. | To indicate that one general concept builds upon another. ex. (grass) (is_a) (plant) |
| 2. | To indicate that a specific object in the world is of a certain type. ex. (Daniel) (is_a) (person) |
The difference here is that (grass) is a general concept whereas (Daniel) is a real thing.
Has AI delivered?July 8, 2008
Here's a
good article that talks about the lofty promises of AI, which go back as far as the 50s, and have yet to materialize. The article also gives some examples of recent AI successes. One of summary points is that the classical definition of AI isn't where most of the progress is being made. Rather, it is in specialized system.
A rather astonishing figure is that Microsoft Research employs nearly 1,000 PhDs that are actively working in the field of AI. Wow. That's about a factor of 10 larger than I would have guessed.
older >>
