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Oriented Point Relation Algebra

Known as: OPRA 
The Oriented Point Relation Algebra (OPRA) serves for qualitative spatial representation and reasoning. OPRA is an orientation calculus with… 
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Related topics

Related topics

1 relation
Spatial–temporal reasoning

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2018
2018
Equity Options During the Short Ban of 2008
The Securities and Exchange Commission’s 2008 emergency order introduced a shorting ban of some 800 financials traded in the US… 
2018
2018
ANALISIS KEMAMPUAN ANAK BUAH KAPALDALAM MENGHADAPI KEADAAN DARURAT DI MV. DK 01
Opra Wahyu Priatmoko, NIT: 50134852 N, 2018, "Analysis of Capacity of Ships Crew In Facing Emergency Situation In MV. DK 01… 
2015
2015
On-Path Resolver Architecture for Mobility Support in Information Centric Networking
Video traffic shares a large portion of the current Internet bandwidth. One of the objectives of designing Named Data Networking… 
2015
2015
Outcomes-Based Pricing And Reimbursement Arrangements For Pharmaceutical Products In The Us And Eu-5: Payer And Manufacturer Experience And Outlook
2013
2013
Effective capacity of delay quality-of-service constrained spectrum sharing cognitive radio with outdated channel feedback
In this paper, we consider a spectrum sharing cognitive radio network coexisting with a primary network. Particularly, the… 
2012
2012
Channel capacity of the generalized alpha-Mu multipath fading model under different adaptive transmission protocols
In this paper, we consider a relatively new small scale multipath fading model, namely; the α-μ fading distribution. We derive… 
2012
2012
Load bearing exercises and functional outcome of individuals with transfemoral amputation fitted with OPRA fixation
Individuals with lower limb amputation fitted with an OPRA osseointegrated fixation are facing an extensive rehabilitation… 
2010
2010
Qualitative Reasoning about Relative Direction on Adjustable Levels of Granularity
An important issue in Qualitative Spatial Reasoning is the representation of relative direction. In this paper we present simple… 
2010
2010
Tight bounds on the ergodic capacity of cooperative analog relaying with adaptive source transmission techniques
Tight bounds for the Shannon capacity of amplify-and-forward cooperative diversity networks are derived for three different… 
Review
2009
Review
2009
Oriented Straight Line Segment Algebra: Qualitative Spatial Reasoning about Oriented Objects
Nearly 15 years ago, a set of qualitative spatial relations between oriented straight line segments (dipoles) was suggested by… 
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