]> matita.cs.unibo.it Git - helm.git/blobdiff - helm/mathql/homepage/index.html
debian package for ocaml 3.07
[helm.git] / helm / mathql / homepage / index.html
index 6b43894bedb05bc5276e80cb1505136355aa3927..93d7ec1777200752e07f9a9f2ffa0fef5a20c039 100644 (file)
@@ -3,84 +3,84 @@
 <head>
   <title>MathQL</title>
                                                                         
-                        
+                                      
   <meta http-equiv="content-type"
  content="text/html; charset=ISO-8859-1">
-                                                       
+                                                               
   <meta name="author" content="Ferruccio Guidi">
-                                                       
+                                                               
   <meta name="description" content="MathQL Home Page">
 </head>
   <body>
-                          
+                              
 <h1 align="center">MathQL-1</h1>
-                       
-<h2 align="center">A query language for RDF metadata</h2>
                            
+<h2 align="center">A query language for RDF metadata</h2>
+                               
 <table cellpadding="10" cellspacing="2" border="0" width="95%"
  bgcolor="#ffffff">
-                <tbody>
-                  <tr>
-                    <td valign="top" align="left">                      
+                  <tbody>
+                    <tr>
+                      <td valign="top" align="left">                    
                                                                         
-  
+                  
       <ul>
-                      <li>Forward<br>
-                   </li>
+                        <li>Forward<br>
+                     </li>
                                                                         
-                                      
+                                                      
       </ul>
                                                                         
-                      
+                                      
       <ul>
-                    <li><a href="features.html">Features</a></li>
+                      <li><a href="features.html">Features</a></li>
                                                                         
-                      
+                                      
       </ul>
                                                                         
-                      
+                                      
       <ul>
-                    <li><a href="whatsnew.html">What's new</a></li>
-       
+                      <li><a href="whatsnew.html">What's new</a></li>
+                       
       </ul>
-       
+                       
       <ul>
-         <li><a href="documentation.html">Documentation</a></li>
+           <li><a href="documentation.html">Documentation</a></li>
                                                                         
-                                      
+                                                      
       </ul>
                                                                         
-              
+                              
       <ul>
-                   <li><a href="implementation.html">Implementation</a><br>
-                   </li>
+                     <li><a href="implementation.html">Implementation</a><br>
+                     </li>
                                                                         
-              
+                              
       </ul>
                                                                         
-              
+                              
       <ul>
-                   <li><a href="authors.html">The authors</a><br>
-                   </li>
+                     <li><a href="authors.html">The authors</a><br>
+                     </li>
                                                                         
-                                      
+                                                      
       </ul>
                                                                         
-              
+                              
       <ul>
-                   <li><a href="links.html">Links</a><br>
-                   </li>
+                     <li><a href="links.html">Links</a><br>
+                     </li>
                                                                         
-              
+                              
       </ul>
-                 <br>
-                    </td>
-                    <td valign="top">                                   
-                                         
+                   <br>
+                      </td>
+                      <td valign="top">                                 
+                                                         
       <div align="right"><b>Forward</b><br>
-                 </div>
-                 <br>
-           The MathQL proposal rises in the context of the <a
+                   </div>
+                   <br>
+             The MathQL proposal rises in the context of the <a
  href="http://helm.cs.unibo.it/">HELM  project</a>, which  aims   at the development
 of a suitable technology for the  creation and maintenance   of a virtual,
 distributed, hypertextual library  of structured mathematical    knowledge
@@ -88,45 +88,47 @@ based on <a href="http://www.w3.org/XML/">XML</a> technology, through the
  integration of the current   proof assistants and logical frameworks with
 the  most recent technologies   for the development of Web applications and
 electronic  publishing.<br>
+                     <br>
+             The objective of the MathQL proposal is the development of a 
+set   of  query   languages enabling the retrieval of formalized mathematical 
+Web  resources    on the basis of content-aware requests. The first of these
+  languages,        <b>MathQL-1</b>,    is focused on querying an arbitrary
+        <a href="http://www.w3.org/RDF/">RDF</a> database because RDF is
+the         <a href="http://www.w3.org/">W3C</a>  standard  for describing
+Web   resources  at the general-purpose content level.<br>
                    <br>
-           The objective of the MathQL proposal is the development of a set 
- of  query   languages enabling the retrieval of formalized mathematical Web
- resources    on the basis of content-aware requests. The first of these
- languages,        <b>MathQL-1</b>,    is focused on querying an arbitrary
-       <a href="http://www.w3.org/RDF/">RDF</a> database because RDF is the
-       <a href="http://www.w3.org/">W3C</a>  standartd  for describing Web
- resources  at the general-purpose content level.<br>
-                 <br>
-           As an RDF query language, MathQL-1 provides the main features
-required      by the RDF community while complying with the needs of HELM.
-The peculiar      aspects of this language concern the query results, which
-are highly structured     and possess their own syntax, formally explained
-by a rigorous semantics.<br>
-                  <br>
-            MathQL-1 is particularly helpful in distributed systems where 
-query    engines   are implemented as stand-alone units, because in this situation
-   the query   results are exchanged between the system components as well
- as  the queries, and thus both the queries and the query results need to
-be encoded in a clearly defined format.<br>
-          <br>
-    Other languages to be developed in the context of the MathQL proposal 
-will  be suitable for queries about the semantic structure of mathematical 
-data:  this will include content-based pattern-matching (MathQL-2) and possibly
- other forms of formal matching involving for instance isomorphism, unification
- and definitions expansion (MathQL-3).<br>
-                    </td>
-                  </tr>
-                                                       
-  </tbody>              
+             As an RDF query language, MathQL-1 provides the main features
+ required      by the RDF community while complying with the needs of HELM.
+ The peculiar      aspects of this language concern the query results, which
+ are highly structured     and possess their own syntax, formally explained
+ by a rigorous semantics.<br>
+                    <br>
+              MathQL-1 is particularly helpful in distributed systems where 
+ query    engines   are implemented as stand-alone units, because in this 
+situation    the query   results are exchanged between the system components 
+as well  as  the queries, and thus both the queries and the query results 
+need to be encoded in a clearly defined format.<br>
+            <br>
+      Other languages to be developed in the context of the MathQL proposal 
+ will  be suitable for queries about the semantic structure of mathematical 
+ data:  this will include content-based pattern-matching (MathQL-2) and possibly
+  other forms of formal matching involving for instance isomorphism, unification
+  and definitions expansion (MathQL-3).<br>
+                      </td>
+                    </tr>
+                                                               
+  </tbody>                
 </table>
-               <br>
-       <br>
-             
+                 <br>
+         <br>
+                 
 <div align="center">This site is maintained by <a
- href="mailto://fguidi@cs.unibo.it">Ferruccio Guidi</a>, last update:   May
- 27, 2003.<br>
-    <br>
-    </div>
+ href="mailto://fguidi@cs.unibo.it">Ferruccio Guidi</a>, last update: July
+30, 2003.<br>
+      <br>
+      </div>
+      <br>
+     <br>
     <br>
    <br>
   <br>