<?xml version="1.0" standalone="yes"?>
<Paper uid="W01-0903">
  <Title>Usability Evaluation in Spoken Language Dialogue Systems</Title>
  <Section position="5" start_page="0" end_page="0" type="concl">
    <SectionTitle>
7 Conclusion and future work
</SectionTitle>
    <Paragraph position="0"> We have presented a brief guide to practical evaluation of walk-up-and-use SLDSs for shared-goal tasks followed by a set of usability evaluation criteria. Within this framework, many issues remain unresolved or even unaddressed.</Paragraph>
    <Paragraph position="1"> Deployment usability issues are still poorly understood as are the usability issues arising from multimodal and natural interactive applications which integrate speech-only SLDSs into larger systems. Usability questionnaire design remains poorly understood. The same applies to cultural differences in the perception of SLDS usability.</Paragraph>
    <Paragraph position="2"> Much work remains to be done before we have a solid all-round understanding of usability evaluation of SLDSs. The authors work in two recently started projects on walk-up-and-use SLDSs, one commercial and one research system, in which the guidelines presented above will be tested and, very likely, extended.</Paragraph>
  </Section>
class="xml-element"></Paper>