From: mburke (mburke@darpa.mil)
Date: 08/29/02
Congratulations to Richard and to the rest of the group for this accomplishment. Murray A. Burke Program Manager DARPA/IXO 3701 N. Fairfax Drive Phone: 703-696-2303 Arlington, VA 22203-1714 Fax: 517-218-4550 mailto: mburke@darpa.mil DSN: 426-2303 -----Original Message----- From: Richard Fikes [mailto:fikes@ksl.stanford.edu] Sent: Thursday, August 29, 2002 4:04 PM To: Joint Committee Subject: DQL Spec and Announcement << File: DQL Spec 8-29.htm >> Attached is an updated version of the DQL spec as per the telecon on Tuesday. Specifically, I made the following changes: * Added a hyperlink to the title of the spec. * Replaced the version number of DQL with "August 2002" throughout the document. * Changed "Informal Specification" to "Abstract Specification". * Added a footnote to "Abstract Specification" saying that the spec does not include a recommendation for a normative syntax for the language. * Added a hyperlink and a footnote to "DAML Joint Committee". The footnote lists the current membership of the committee. * Changed the wording of the first sentence from "DAML Query Language (DQL) is a formal language and protocol for posing queries from a querying agent (which we refer to as the client) to an answering agent (which we refer to as the server)." to "DAML Query Language (DQL) is a formal language and protocol for a querying agent and an answering agent to use in conducting a query-answering dialogue using knowledge represented in DAML+OIL." That change was motivated by the observations that (1) DQL is not just for "posing queries" but also for getting back answers, and (2) we didn't say anywhere that this was a query language for DAML+OIL. I inserted the "(which we refer to as the client)" and "(which we refer to as the server)" later in the document when the protocol elements of the language are first discussed. I also inserted a hyperlink on the first mention of DAML+OIL. * I moved some of the commentary about justifications to a footnote. * I added "(possibly empty)" to the description of a binding set. * I made the text consistently say that a server continuation can consist of "one or more termination tokens". Regarding the announcement, the wording needs to be changed to be consistent with these changes. The first two paragraphs of the draft announcement are as follows: > The Joint US/EU ad hoc Agent Markup Language Committee [1] > is pleased to announce the initial release [2] of the DAML > Query Language (DQL), which supports queries, potentially > involving inference, of remote DAML+OIL (March 2001) [3] > knowledge bases. > > The current release consists of an informal specification. > Continuing work is expected to result in a concrete syntax, > a formal specification, and a fully defined justification > mechanism. I suggest they be changed to read as follows: The Joint US/EU ad hoc Agent Markup Language Committee [1] is pleased to announce the initial release [2] of the DAML Query Language (DQL). DQL provides a language and protocol for agent-to-agent query-answering dialogues using knowledge represented in DAML+OIL (March 2001), potentially involving inference and remote knowledge bases. The current release consists of an abstract specification. Continuing work is expected to result in a normative external syntax and a fully defined specification of answer justifications. Richard
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