/usr/share/libmrml1/mrml.dtd is in libmrml1c2a 0.1.14-12.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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<!DOCTYPE mrml [
<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
\paragraph{Basic structure:}
{\em
Messages are sent as MRML texts.
In order to make it easy for the server to know who connects,
each message is assigned the id of its session as an attribute.
}
\begin{center}
Author of this file:
Wolfgang Mueller with lots of suggestions and \\
corrections from \\
David Squire, Arjen P. de Vries and Christoph Giess \\
\end{center}
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<!ELEMENT mrml (begin-transaction?,(
get-configuration
|configuration-description
|get-sessions
|session-list
|open-session
|rename-session
|close-session
|delete-session
|get-collections
|collection-list
|get-algorithms
|algorithm-list
|get-property-sheet
|property-sheet
|configure-session
|query-step
|query-result
|user-data
|error
|cui-configuration
)?,
end-transaction?) >
<!ATTLIST mrml session-id CDATA #IMPLIED
transaction-id CDATA #IMPLIED>
<!-- ++++++++++++++++++++++++++++++
\requesttitle{get-configuration}
This is the message an MRML client sends to the server on connection.
The message \mrmltag{get-configuration} gives information about the basic server configuration.
++++++++++++++++++++++++++++++ -->
<!ELEMENT get-configuration EMPTY>
<!-- ++++++++++++++++++++++++++++++
\responsetitle{configuration-description}
The \mrmltag{get-configuration} message is anwered by a message which
is supposed to hold a description about anything which is nonstandard \MRML.
++++++++++++++++++++++++++++++ -->
<!ELEMENT configuration-description (error?)>
<!-- ++++++++++++++++++++++++++++++
\requesttitle{get-sessions}
The \mrmltag{get-sessions} message permits the user to request
exsisting sessions for a given user. It is sent by the client
directly after after the \mrmltag{configuration-description} has
been delivered, and prior to any other activity.
Authentification happens before any other activity to give the
server the possibility to customise any other information sent
to the user. For example, it might be sensible to send different
property sheets to different classes of users, or to render some
parts of the database only visible to the own work group.
+++++++++++++++++++++++++++++ -->
<!ELEMENT get-sessions EMPTY
>
<!ATTLIST get-sessions user-name CDATA #REQUIRED
password CDATA "guest"
>
<!-- ++++++++++++++++++++++++++++++
\responsetitle{session-list}
A session is described by its \mrmltag{session-id}.
We also send over a more human-readable name
++++++++++++++++++++++++++++++ -->
<!ELEMENT session-list (session+|error)
>
<!ELEMENT session (error?)
>
<!ATTLIST session session-id CDATA #REQUIRED
session-name CDATA "Default session"
>
<!-- ++++++++++++++++++++++++++++++
\requesttitle{get-collections}
gets a list of collections on the server.
++++++++++++++++++++++++++++++ -->
<!ELEMENT get-collections EMPTY
>
<!-- ++++++++++++++++++++++++++++++
\requesttitle{collection-list}
a list of collections on the server.
a collection is described by a list of the
of the query paradigms which can be used
for querying it, as well as an ID and its
human-readable name.
This means, you do not have to index all collections using all
the methods you want to propose to the server.
++++++++++++++++++++++++++++++ -->
<!ELEMENT collection-list (collection*|error)
>
<!ELEMENT collection (query-paradigm-list?|error)
>
<!ATTLIST collection collection-id CDATA #REQUIRED
collection-name CDATA #REQUIRED
cui-base-dir CDATA #IMPLIED
cui-in-memory CDATA #IMPLIED
cui-hierarchy-file-location CDATA #IMPLIED
cui-distance-matrix-location CDATA #IMPLIED
cui-generate-inverted-file CDATA #IMPLIED
cui-offset-file-location CDATA #IMPLIED
cui-inverted-file-location CDATA #IMPLIED
cui-feature-description-location CDATA #IMPLIED
cui-feature-file-location CDATA #IMPLIED
cui-algorithm-id-list-id CDATA #IMPLIED
cui-sql-database-name CDATA #IMPLIED
cui-sql-host CDATA #IMPLIED
cui-sql-username CDATA #IMPLIED
cui-sql-password CDATA #IMPLIED
>
<!-- ++++++++++++++++++++++++++++++
\tagtitle{query-paradigm}
arises both in algorithms and collections:
this describes the kind of query which can
be performed with this algorithm/collection
++++++++++++++++++++++++++++++ -->
<!ELEMENT query-paradigm-list (query-paradigm*|error)
>
<!ELEMENT query-paradigm (error?)
>
<!ATTLIST query-paradigm query-paradigm-id CDATA #REQUIRED
>
<!-- ++++++++++++++++++++++++++++++
\requesttitle{get-algorithms}
gets a list of algorithms usable for one collection
++++++++++++++++++++++++++++++ -->
<!ELEMENT get-algorithms EMPTY
>
<!ATTLIST get-algorithms collection-id CDATA #IMPLIED
query-paradigm-id CDATA #IMPLIED
>
<!-- ++++++++++++++++++++++++++++++
\responsetitle{algorithm-list}
returns a list of algorithms for a given collection on the server
++++++++++++++++++++++++++++++ -->
<!ELEMENT algorithm-list (algorithm*|error)
>
<!-- ++++++++++++++++++++++++++++++
\tagtitle{algorithm}
An algorithm can contain
other algorithms,
optionally a property sheet,
optionally a query paradigm list
optionally an "allows-children" specification
++++++++++++++++++++++++++++++ -->
<!ELEMENT algorithm ((algorithm*,property-sheet?,query-paradigm-list?,allows-children?)|error)
>
<!ATTLIST algorithm algorithm-id CDATA #REQUIRED
algorithm-type CDATA #REQUIRED
collectiom-id CDATA #REQUIRED
algorithm-name CDATA #REQUIRED
cui-weight CDATA #IMPLIED
cui-weighting-function
CDATA #IMPLIED
cui-base-type CDATA #IMPLIED
cui-block-color-histogram CDATA #IMPLIED
cui-block-texture-histogram CDATA #IMPLIED
cui-block-color-blocks CDATA #IMPLIED
cui-block-texture-blocks CDATA #IMPLIED
cui-pr-time-cutoff-point CDATA #IMPLIED
cui-pr-percentage-of-features CDATA #IMPLIED
cui-pr-score-board-reduced-at CDATA #IMPLIED
cui-pr-score-board-reduced-to CDATA #IMPLIED
cui-pr-modulo CDATA #IMPLIED
cui-pr-modulo-class CDATA #IMPLIED
cui-property-sheet-id CDATA #IMPLIED
>
<!-- ++++++++++++++++++++++++++++++
\tagtitle{allows-children}
This tag specifies for an algorithm what kind of algorithms
can be children of this algorithm. no specification $\Rightarrow$ allows no
children.
++++++++++++++++++++++++++++++ -->
<!ELEMENT allows-children ((query-paradigm-list?)|error)>
<!-- ++++++++++++++++++++++++++++++
\requesttitle{get-property-sheet}
get the property sheet for an algorithm
++++++++++++++++++++++++++++++ -->
<!ELEMENT get-property-sheet EMPTY
>
<!ATTLIST get-property-sheet algorithm-id ID #REQUIRED
>
<!-- ++++++++++++++++++++++++++++++
\requesttitle{begin-transaction}
begins a transaction
++++++++++++++++++++++++++++++ -->
<!ATTLIST begin-transaction transaction-id ID #REQUIRED
>
<!-- ++++++++++++++++++++++++++++++
\requesttitle{end-transaction}
ends a transaction
++++++++++++++++++++++++++++++ -->
<!ATTLIST end-transaction transaction-id ID #REQUIRED
>
<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
\requesttitle{configure-session}
configures the session by giving an algorithm
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-->
<!ELEMENT configure-session (algorithm)
>
<!-- ++++++++++++++++++++++++++++++
\tagtitle{property-sheet}
\textbf{Basic idea}: \parbox[t]{5cm}{send a property sheet together with a specification
what should be the XML output coming back.
Useful for configuring your database.}
++++++++++++++++++++++++++++++ -->
<!ELEMENT property-sheet ((property-sheet)*|error)
>
<!ATTLIST property-sheet property-sheet-id ID #REQUIRED
property-sheet-type (
multi-set
|subset
|set-element
|boolean
|numeric
|textual
|panel
|clone
|reference) #REQUIRED
caption CDATA #IMPLIED
visibility (popup|visible|invisible) "visible"
send-type (element
| attribute
| attribute-name
| attribute-value
| children
| none) #REQUIRED
send-name CDATA #IMPLIED
send-value CDATA #IMPLIED
min-subset-size CDATA #IMPLIED
max-subset-size CDATA #IMPLIED
from CDATA #IMPLIED
step CDATA #IMPLIED
to CDATA #IMPLIED
auto-id (yes|no) #IMPLIED
auto-id-name CDATA "id"
defaultstate CDATA #IMPLIED
>
<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
\textbf{Beginning and renaming sessions}
We want to give the user the possibility to save the current
state into "sessions". This might be useful in the case that
a user has several classes of goals which s/he knows in advance.
The user can request a new session.
S/he can also request a name change for a session.
Ending sessions is implicit:
we cannot afford being dependent on the user ending
his/her session in a "nice" way, so we do not
tempt programmers to do so
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<!-- Interface side -->
<!-- send the desired feedback method together with
a name for the session -->
<!ELEMENT open-session EMPTY
>
<!ATTLIST open-session user-name CDATA #REQUIRED
password CDATA #IMPLIED
session-id CDATA #IMPLIED
session-name CDATA #IMPLIED
>
<!ELEMENT rename-session EMPTY
>
<!ATTLIST rename-session session-id CDATA #IMPLIED
session-name CDATA #IMPLIED
>
<!ELEMENT delete-session EMPTY
>
<!ATTLIST delete-session session-id CDATA #REQUIRED
>
<!ELEMENT close-session EMPTY
>
<!ATTLIST close-session session-id CDATA #REQUIRED
>
<!ELEMENT acknowledge-session-op EMPTY
>
<!ATTLIST acknowledge-session-op session-id CDATA #REQUIRED
>
<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
\textbf{Simple user commands (for logging purposes)}
(like e.g. back or forward
in the command history)
(at present the only commands)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<!ELEMENT user-data EMPTY
>
<!ATTLIST user-data command (history-backward|history-forward) "backward"
steps CDATA #IMPLIED
>
<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
\requesttitle{query-step}
At present we provide only query by example, and search for random
images (done, if one sends an empty \mrmltag{query-step} tag)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<!ELEMENT query-step ((user-relevance-element-list|cui-text-query|cui-hierarchy-up|get-segment-by-url-list)*)
>
<!ATTLIST query-step query-step-id CDATA #IMPLIED
result-size CDATA #IMPLIED
result-cutoff CDATA #IMPLIED
query-type (query|at-random) "query"
algorithm-id CDATA #IMPLIED
>
<!ELEMENT cui-hierarchy-up EMPTY
>
<!ELEMENT get-segment-by-url-list (get-segment-by-url+)>
<!ELEMENT get-segment-by-url EMPTY>
<!ATTLIST get-segment-by-url image-location CDATA #REQUIRED
thumbnail-location CDATA #REQUIRED
>
<!-- \tagtitle{user-relevance-element-list}
List of URLs with user given relevances
Our way of specifying a QBE for images.
relevances vary from 0 to 1
-->
<!ELEMENT user-relevance-element-list
(user-relevance-element+)
>
<!ELEMENT user-relevance-element (user-segmented-element-list?)
>
<!ATTLIST user-relevance-element
user-relevance CDATA #REQUIRED
image-location CDATA #REQUIRED
>
<!ELEMENT user-segmented-element-list (user-segment-element+)>
<!ELEMENT user-segmented-element EMPTY>
<!ATTLIST user-segmented-element segmenet-id CDATA #REQUIRED
user-relevence CDATA #REQUIRED
>
<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
\responsetitle{query-result}
each result image can be accompanied by the user given relevance,
as well as the similarity calculated by the program, based on the
feature space.
calculated similarities vary from 0 to 1
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<!ELEMENT query-result ((query-resultelement-list*,query-result*)|error)>
<!ELEMENT query-result-element-list ((query-result-element|error)+)>
<!ELEMENT query-result-element ((error?)|
(query-result-element-segment-list?))>
<!ATTLIST query-result-element calculated-similarity CDATA #REQUIRED
thumbnail-location CDATA #REQUIRED
image-location CDATA #REQUIRED
>
<!ELEMENT query-result-element-segment-list (query-result-element-segment+)>
<!ELEMENT query-result-element-segment (box|poly)*>
<!ATTLIST query-result-element-segment segment-id CDATA #REQUIRED
calculated-similarity CDATA #REQUIRED>
<!ELEMENT box (Coords)>
<!ELEMENT poly (Coords)>
<!ELEMENT Coords (#PCDATA)>
<!ATTLIST Coords dim CDATA #REQUIRED>
<!-- ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Error messages.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<!ELEMENT error EMPTY>
<!ATTLIST error message CDATA #REQUIRED>
<!-- ==HIDE ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
GIFT internal additions:
DELETE STARTING FROM HERE FOR PUBLISHING MRML
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
<!ELEMENT cui-configuration (cui-property-list,cui-algorithmlist,collectionlist)>
<!ELEMENT cui-algorithm-id-list-list (cui-algorithm-id-list*)>
<!ELEMENT cui-algorithm-id-list (cui-algorithm-id*)>
<!ATTLIST cui-algorithm-id-list cui-algorithm-id-list-id CDATA #IMPLIED>
<!ELEMENT cui-algorithm-id EMPTY>
<!ATTLIST cui-algorithm-id
cui-algorithm-id CDATA #IMPLIED>
<!ELEMENT cui-property-list (cui-property-item*)>
<!ELEMENT cui-property-item (property)>
<!ATTLIST cui-property-item
cui-property-item-id CDATA #REQUIRED>
<!ELEMENT cui-time-stamp EMPTY>
<!ATTLIST cui-time-stamp
calendar-time CDATA #REQUIRED>
<!-- \tagtitle{cui-text-query}
query using a number of keywords in a string
-->
<!ELEMENT cui-text-query EMPTY>
<!ATTLIST cui-text-query
query-string CDATA #IMPLIED>
<!-- ==HIDE just for compatibility -->
<!ELEMENT cui-ihandshake EMPTY>
<!ELEMENT cui-shandshake EMPTY>
<!ELEMENT cui-random-images EMPTY>
]>
|