]> matita.cs.unibo.it Git - helm.git/blob - helm/mathql/homepage/index.html
- the mathql interpreter is not helm-dependent any more
[helm.git] / helm / mathql / homepage / index.html
1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2 <html>
3 <head>
4   <title>MathQL</title>
5                                                                         
6                                
7   <meta http-equiv="content-type"
8  content="text/html; charset=ISO-8859-1">
9                                                            
10   <meta name="author" content="Ferruccio Guidi">
11                                                            
12   <meta name="description" content="MathQL Home Page">
13 </head>
14   <body>
15                             
16 <h1 align="center">MathQL-1</h1>
17                          
18 <h2 align="center">A query language for RDF metadata</h2>
19                              
20 <table cellpadding="10" cellspacing="2" border="0" width="95%"
21  bgcolor="#ffffff">
22                  <tbody>
23                    <tr>
24                      <td valign="top" align="left">                     
25                                                                         
26           
27       <ul>
28                        <li>Forward<br>
29                     </li>
30                                                                         
31                                               
32       </ul>
33                                                                         
34                               
35       <ul>
36                      <li><a href="features.html">Features</a></li>
37                                                                         
38                               
39       </ul>
40                                                                         
41                               
42       <ul>
43                      <li><a href="whatsnew.html">What's new</a></li>
44                
45       </ul>
46                
47       <ul>
48           <li><a href="documentation.html">Documentation</a></li>
49                                                                         
50                                               
51       </ul>
52                                                                         
53                       
54       <ul>
55                     <li><a href="implementation.html">Implementation</a><br>
56                     </li>
57                                                                         
58                       
59       </ul>
60                                                                         
61                       
62       <ul>
63                     <li><a href="authors.html">The authors</a><br>
64                     </li>
65                                                                         
66                                               
67       </ul>
68                                                                         
69                       
70       <ul>
71                     <li><a href="links.html">Links</a><br>
72                     </li>
73                                                                         
74                       
75       </ul>
76                   <br>
77                      </td>
78                      <td valign="top">                                  
79                                                  
80       <div align="right"><b>Forward</b><br>
81                   </div>
82                   <br>
83             The MathQL proposal rises in the context of the <a
84  href="http://helm.cs.unibo.it/">HELM  project</a>, which  aims   at the
85 development of a suitable technology for the  creation and maintenance  
86 of a virtual, distributed, hypertextual library  of structured mathematical
87    knowledge based on <a href="http://www.w3.org/XML/">XML</a> technology,
88 through the  integration of the current   proof assistants and logical frameworks
89 with the  most recent technologies   for the development of Web applications
90 and electronic  publishing.<br>
91                     <br>
92             The objective of the MathQL proposal is the development of a
93 set   of  query   languages enabling the retrieval of formalized mathematical
94 Web  resources    on the basis of content-aware requests. The first of these 
95  languages,        <b>MathQL-1</b>,    is focused on querying an arbitrary 
96        <a href="http://www.w3.org/RDF/">RDF</a> database because RDF is the 
97        <a href="http://www.w3.org/">W3C</a>  standartd  for describing Web 
98  resources  at the general-purpose content level.<br>
99                   <br>
100             As an RDF query language, MathQL-1 provides the main features 
101 required      by the RDF community while complying with the needs of HELM. 
102 The peculiar      aspects of this language concern the query results, which 
103 are highly structured     and possess their own syntax, formally explained 
104 by a rigorous semantics.<br>
105                    <br>
106              MathQL-1 is particularly helpful in distributed systems where
107  query    engines   are implemented as stand-alone units, because in this
108 situation    the query   results are exchanged between the system components
109 as well  as  the queries, and thus both the queries and the query results
110 need to be encoded in a clearly defined format.<br>
111            <br>
112      Other languages to be developed in the context of the MathQL proposal
113  will  be suitable for queries about the semantic structure of mathematical
114  data:  this will include content-based pattern-matching (MathQL-2) and possibly 
115  other forms of formal matching involving for instance isomorphism, unification 
116  and definitions expansion (MathQL-3).<br>
117                      </td>
118                    </tr>
119                                                            
120   </tbody>               
121 </table>
122                 <br>
123         <br>
124                
125 <div align="center">This site is maintained by <a
126  href="mailto://fguidi@cs.unibo.it">Ferruccio Guidi</a>, last update: July
127 10, 2003.<br>
128      <br>
129      </div>
130      <br>
131     <br>
132    <br>
133   <br>
134  <br>
135 </body>
136 </html>