نتایج جستجو برای: locations
تعداد نتایج: 96088 فیلتر نتایج به سال:
The location of video scenes is an important semantic descriptor especially for broadcast news video. In this paper, we propose a learning-based approach to annotate shots of news video with locations extracted from video transcript, based on features from multiple video modalities including syntactic structure of transcript sentences, speaker identity, temporal video structure, and so on. Mach...
Our aim is to provide a simple non-interleaved operational semantics for CCS in terms of a model that is easy to understand|asynchronous transition systems. Our approach is guided by the requirement that the semantics should identify the concurrency present in the system in a natural way, in terms of events occurring at independent locations in the system. We extend the standard interleaving tr...
The study examined whether people update remote spatial locations in unfamiliar environments during physical movement. Participants learned a layout of objects from one perspective and carried out perspective-taking trials after physically rotating to a new perspective in either the same room as learning or in an adjacent room. Prior to rotation in the adjacent room participants were instructed...
The aim of the study is to describe the radiological imaging features of different solitary fibrous tumors (SFTs) locations and present histopathological correlations. From 2007 to 2013, 20 cases of histologically confirmed that SFTs were retrospectively analyzed with computed tomography (CT; 9/20), magnetic resonance imaging (MRI; 5/20), or both CT and MRI (6/20). All 20 SFTs were well defined...
There are a number of applied lambda-calculi in which terms and types are annotated with parameters denoting either locations or locations in machine memory. Such calculi have been designed with safe memory-management operations in mind. It is difficult to construct directly denotational models for existing calculi of this kind. We approach the problem differently, by starting from a class of m...
When grasping an object, subjects tend to look at the contact positions of the digits (A. M. Brouwer, V. H. Franz, D. Kerzel, & K. R. Gegenfurtner, 2005; R. S. Johansson, G. Westling, A. Bäckström, & J. R. Flanagan, 2001). However, these contact positions are not always visible due to occlusion. Subjects might look at occluded parts to determine the location of the contact positions based on ex...
We examine the impact of a firm’s geographic location on its takeover likelihood with a sample of U.S. public firms from 1980 to 2005. We first show that firms located in an urban area are 8.3% more likely to receive a takeover bid and 10.5% more likely to complete the takeover transaction than firms located in a non-urban area. Our findings are robust after controlling for various firm charact...
While chapter 8 studies the research philosophy behind a location-based social network (LBSN) from the point of view of users, this chapter gradually explores the research into LBSNs from the perspective of locations. A series of research topics are presented, with respect to mining the collective social knowledge from many users’ GPS trajectories to facilitate travel. On the one hand, the gene...
We present a calculus for representing and reasoning about the location of rigid objects which may move within some region (we will speak ofmobile parts). The calculus has both a mereological primitive and a morphological one, hence the title of the paper. We present an axiomatisation for congruence, our chosen morphological primitive, define the notion of mobile part, describe a subset of morp...
Nearly all spatial reasoning problems in volve uncertainty of one sort or another. Uncertainty arises due to the inaccuracies of sensors used in measuring distances and angles. We refer to this as directional un certainty. Uncertainty also arises in com bining spatial information when one loca tion is mistakenly identified with another. We refer to this as recognition uncertainty. Most prob...
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