Information Technology Reference
In-Depth Information
Besides the landmark selection engine, there are many other kinds of
related resources distributed on the Internet. Visitors can capture images
and add comments using mobile devices when they are on a journey. The
keywords can also be used for searching nontextual resources. Users may
be interested in other photos taken at the scene and use those photos to
make comparisons with their own in the travel topic. Searching related
pictures on the Internet is very similar to Web pages. Some search engines
provide interfaces to find pictures with keywords. What the agent needs
to do is feed keywords to the search engine and parse the resulting Web
pages to download image files. In this chapter, complex methods and tech-
nologies for retrieving image files are not discussed. The objective of the
agent is just sending keywords to the search engine without mentioning
what search algorithm is used. The case of a video retrieve is more com-
plicated. Searching related video iles for editing travel topics is not dis-
cussed here.
13.3.3 The intelligent Travel Topic Management Server
The intelligent travel note management server is the final part of the
developed application. Multimedia materials captured by the user are first
transferred to the management server. Such materials are generated by vis-
itors and do not need to be processed in advance. They are stored in the
resource pool and users can access them directly while establishing a travel
note. Another kind of material is collected from agents. Before users begin to
create travel notes, they can not access such multimedia resources.
The management server provides an easy interface to users to access related
resources collected from the Internet. After users end a journey and want to
begin creating travel notes, they need to log in to the server first. There are
not only multimedia resources but also a usage history in the server. In the
process of creating travel notes, users can easily download related resources
from the server and rearrange them in travel notes.
Some multimedia resources and information collected from users are
stored in the intelligent travel note management server. For advanced que-
ries, a simple data structure for these multimedia resources is adopted.
Representative tags are listed below:
•
Resource name
•
Longitude
•
Latitude
•
Time
•
Date
•
Media type
•
Descriptions
