Standard Development Languages—Are They Important? Disadvantages of standards – May be restrictive – May not include recent technology advances – May be out of date – May be incomplete – Takes years to finalize standards © 2013 by Larson Technical Services1

Web standards creation – Since 1994: 349 specifications including 77 recommendations Infrastructure – International representation (ERCIM, MIT, Keio University) with 400 member organizations from 40 countries Accountability – Vendor-neutral forum – Public discussion with full consideration of public feedback – Participation in working groups, as member or invited expert Patent policy – Strong patent policy to protect company and public interest (Royalty-free) © 2013 by Larson Technical Services2 W3C term for “standard”

W3C Voice Browser Working Group © 2013 by Larson Technical Services3 Voice XML 2.0 & 2.1 Grammar Synthesis 1.0 & 1.1 Call Control Semantic Interpre- tation Recommendation Proposed Recommendation Candidate Recommendation Last Call Working Draft Requirements Working Draft Pronun- ciation Lexicon Voice XML 3.0 (will not be completed)

W3C Multimodal Working Group © 2013 by Larson Technical Services4 Architec- ture InkML Emotion ML EMMA 1.0 Recommendation Proposed Recommendation Candidate Recommendation Last Call Working Draft Requirements Working Draft EMMA 1.1 Discovery And Registration Working Group Note

W3C Speech Working Group © 2013 by Larson Technical Services5 Recommendation Proposed Recommendation Candidate Recommendation Last Call Working Draft Requirements Working Draft HTML5 + Speech W3C Incubator Group Web Speech API W3C Community Group

References World Wide Web Consortium (W3C) – W3C Voice Browser Working Group – W3C Multimodal Working Group – W3C Speech Working Group charter.html charter.html © 2013 by Larson Technical Services6

Vendors and W3C Recommendations Vendors differ in their support of W3C languages: – Support languages before they become full W3C recommendations – Support languages only after they become full W3C recommendations – Never support full W3C recommendations – Support extensions to W3C recommendations © 2013 by Larson Technical Services7