| tech,16-1-E89-1016,ak | approaches that have been used in the <term> | evaluation | </term> of <term> Natural Language systems | #19297 This paper presents a critical discussion of the various approaches that have been used in the evaluation of Natural Language systems. | |
| other,5-3-E89-1016,ak | . This raises questions about the <term> | validity | </term> of such approaches . In the second | #19333 This raises questions about the validity of such approaches. | |
| other,29-6-E89-1016,ak | complex contextual reference </term> and <term> | reference | </term> to the structure of the <term> information | #19416 We identify three important requirements which arose from the task that we gave our subjects: operators specific to the task of database access, complex contextual reference and reference to the structure of the information source. |
