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Local Contexts

by Philippe Schlenker , 2008
"... The dynamic approach posits that a presupposition must be satisfied in its local context. But how is a local context derived from the global one? Extant dynamic analyses must specify in the lexical entry of any operator what its ‘context change potential’ is, and for this very reason they fail to be ..."
Abstract - Cited by 26 (2 self) - Add to MetaCart
The dynamic approach posits that a presupposition must be satisfied in its local context. But how is a local context derived from the global one? Extant dynamic analyses must specify in the lexical entry of any operator what its ‘context change potential’ is, and for this very reason they fail

Improving the effectiveness of information retrieval with local context analysis.

by Jinxi Xu , Bbn Technologies , W Bruce Croft - ACM Trans. Inf. Syst., , 2000
"... Techniques for automatic query expansion have been extensively studied in information retrieval research as a means of addressing the word mismatch between queries and documents. These techniques can be categorized as either global or local. While global techniques rely on analysis of a whole colle ..."
Abstract - Cited by 201 (5 self) - Add to MetaCart
of the retrieved documents are relevant. We propose a new technique, called local context analysis, which selects expansion terms based on cooccurrence with the query terms within the top-ranked documents. Experiments on a number of collections, both English and non-English, show that local context analysis offers

Local Contexts and Local Meanings *

by unknown authors
"... Abstract: Stalnaker (1974, 1979) made two seminal claims about presuppositions. The most influential one was that presupposition projection is computed by a pragmatic mechanism based on a notion of ‘local context’. Due to conceptual and technical difficulties, however, the latter notion was reinterp ..."
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Abstract: Stalnaker (1974, 1979) made two seminal claims about presuppositions. The most influential one was that presupposition projection is computed by a pragmatic mechanism based on a notion of ‘local context’. Due to conceptual and technical difficulties, however, the latter notion

Presuppositions and Local Contexts

by unknown authors
"... Abstract: In the last thirty years, the problem of presupposition projection has been taken to provide a decisive argument for a dynamic approach to meaning, one in which expressions are not evaluated with respect to the ‘global ’ context of utterance, but rather with respect to a ‘local context ’ o ..."
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Abstract: In the last thirty years, the problem of presupposition projection has been taken to provide a decisive argument for a dynamic approach to meaning, one in which expressions are not evaluated with respect to the ‘global ’ context of utterance, but rather with respect to a ‘local context

DRT with Local Contexts 1

by unknown authors , 2011
"... Abstract: In this note, we reconstruct some results of the DRT analysis of presupposition projection within the theory of local contexts of Schlenker 2009. The latter offered a way to annotate every sentence with variables that denote the various local context sets that play a crucial role in Heim’s ..."
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Abstract: In this note, we reconstruct some results of the DRT analysis of presupposition projection within the theory of local contexts of Schlenker 2009. The latter offered a way to annotate every sentence with variables that denote the various local context sets that play a crucial role in Heim

A PERFORMANCE EVALUATION OF LOCAL DESCRIPTORS

by Krystian Mikolajczyk, Cordelia Schmid , 2005
"... In this paper we compare the performance of descriptors computed for local interest regions, as for example extracted by the Harris-Affine detector [32]. Many different descriptors have been proposed in the literature. However, it is unclear which descriptors are more appropriate and how their perfo ..."
Abstract - Cited by 1783 (51 self) - Add to MetaCart
In this paper we compare the performance of descriptors computed for local interest regions, as for example extracted by the Harris-Affine detector [32]. Many different descriptors have been proposed in the literature. However, it is unclear which descriptors are more appropriate and how

Query Expansion Using Local and Global Document Analysis

by Jinxi Xu, W. Bruce Croft - In Proceedings of the 19th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval , 1996
"... Automatic query expansion has long been suggested as a technique for dealing with the fundamental issue of word mismatch in information retrieval. A number of approaches to expansion have been studied and, more recently, attention has focused on techniques that analyze the corpus to discover word re ..."
Abstract - Cited by 610 (24 self) - Add to MetaCart
global analysis techniques, such as word context and phrase structure, on the local set of documents produces results that are both more effective and more predictable than simple local feedback. 1 Introduction The problem of word mismatch is fundamental to information retrieval. Simply stated, it means

Local context priors for . . .

by Marko Ristin, Juergen Gall, Luc Van Gool , 2012
"... State-of-the-art methods for object detection are mostly based on an expensive exhaustive search over the image at different scales. In order to reduce the computational time, one can perform a selective search to obtain a small subset of relevant object hypotheses that need to be evaluated by the ..."
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by the detector. For that purpose, we employ a regression to predict possible object scales and locations by exploiting the local context of an image. Furthermore, we show how a priori information, if available, can be integrated to improve the prediction. The experimental results on three datasets including

Maximize Presupposition! and Local Contexts∗

by Raj Singh Mit, Giorgio Magri, Orin Percus, Benjamin Spector, Bob Stalnaker , 2009
"... Heim’s [18] Maximize Presupposition! is a principle of language use that forces speakers to sometimes use a sentence φ rather than a competing sentence ψ to update the context c when φ and ψ contribute the same new information to c. More specifically, if φ and ψ are competitors (in some well-defined ..."
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]). The goal of this paper is to show that this architectural assumption needs to be revised. Building on data first discovered by Percus [28], I will argue that MP is a formal principle that is checked in the local context of each embedded sentence (Local MP). Further evidence in favour of Local MP will come

Using Syntactic Dependency as Local Context to Resolve Word Sense Ambiguity

by Dekang Lin , 1997
"... Most previous corpus-based algorithms disambiguate a word with a classifier trained from previous usages of the same word. Separate classifiers have to be trained for different words. We present an algorithm that uses the same knowledge sources to disambiguate different words. The algorithm does not ..."
Abstract - Cited by 160 (4 self) - Add to MetaCart
not require a sense-tagged corpus and exploits the fact that two different words are likely to have similar meanings if they occur in identical local contexts.
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