Presuppositions in Spoken Discourse
Presuppositions in Spoken Discourse
Presuppositions in Spoken Discourse
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Between B<strong>in</strong>d<strong>in</strong>g and Accommodation<br />
annotator often tagged as new (N) examples that the author identified as<br />
described (D). This is similar to Poesio & Vieira’s results, where they remark that <strong>in</strong><br />
their study that the second most frequent sourced of disagreement was between coreferential<br />
examples and bridg<strong>in</strong>g. This also po<strong>in</strong>ts to differences between<br />
<strong>in</strong>terpreters and the difficulty <strong>in</strong> dist<strong>in</strong>guish<strong>in</strong>g new <strong>in</strong>formation from related<br />
<strong>in</strong>formation.<br />
This shouldn’t be a surpris<strong>in</strong>g result, though it is contrary to recent<br />
revelations that def<strong>in</strong>ite NPs are used at least half the time to <strong>in</strong>troduce <strong>in</strong>formation<br />
not already part of the discourse, and do not always function with an anaphoric<br />
mean<strong>in</strong>g as often believed (Fraurud 1990, Poesio & Vieira 1998). Note that there<br />
also may be some differences between spoken and written language. Fraurud’s<br />
study of NPs <strong>in</strong> Swedish and Poesio & Vieira’s (1998) work are both based on<br />
written language. Written language probably has more big NPs. Big NPs are well<br />
known to often <strong>in</strong>troduce new <strong>in</strong>formation and are often easily perceived as such<br />
because their additional descriptive content makes them more specific. The def<strong>in</strong>ite<br />
NPs <strong>in</strong> the spoken dialogues here tended to be very short.<br />
However, discourse is expected to be coherent, and we usually understand<br />
presupposition as a way to present <strong>in</strong>formation that is be<strong>in</strong>g treated as<br />
backgrounded, or at least treated as if it is partly known. Assertion is the normal<br />
means of present<strong>in</strong>g new <strong>in</strong>formation, it seems logical that partially known<br />
<strong>in</strong>formation is <strong>in</strong>troduced <strong>in</strong>to the discourse by presupposition.<br />
The question we should be ask<strong>in</strong>g is whether or not there is an objectively<br />
identifiable difference between def<strong>in</strong>ite NPs that are perceived as new and those<br />
that are perceived as related and how can we add this crucial <strong>in</strong>formation to our<br />
def<strong>in</strong>ition of bridg<strong>in</strong>g. If we try to apply the methods proposed for analyz<strong>in</strong>g<br />
bridg<strong>in</strong>g examples we will greatly overgenerate the number of def<strong>in</strong>ite NPs<br />
classified as bridg<strong>in</strong>g with those perceived so by subjects, and this po<strong>in</strong>ts to<br />
someth<strong>in</strong>g wrong with the def<strong>in</strong>ition of bridg<strong>in</strong>g that we are us<strong>in</strong>g.<br />
6.3.3 Multiple l<strong>in</strong>ks possible to the same anchor<br />
Just as there may be multiple anchors, it is also possible that there may be multiple<br />
l<strong>in</strong>ks; that is, there may be several reasons for identify<strong>in</strong>g the bridg<strong>in</strong>g NP as related<br />
to a particular anchor. 23 examples were classified as related (R) by both<br />
annotators. 14 of these examples were identified as hav<strong>in</strong>g the same l<strong>in</strong>guistic<br />
expression <strong>in</strong> the discourse as the source of the anchor. When there was agreement<br />
about the anchor, however, this does not mean there was only one method by<br />
which to identify the l<strong>in</strong>k, and for some examples, many of the approaches<br />
presented would have worked. We see a simple example of this <strong>in</strong> (19) below.<br />
(19) (3-5a 339)<br />
Interviewer B How many times does the ghost appear <strong>in</strong> Hamlet?<br />
Speaker A I played A: [the ghost], um, (laughs) I should know that. (several l<strong>in</strong>es)<br />
Interviewer B Why do you th<strong>in</strong>k he why why does he appear <strong>in</strong> the closet scene?<br />
Speaker A Now now this is someth<strong>in</strong>g I couldn’t understand but I had to play this <strong>in</strong><br />
haem-, B:[this part].<br />
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