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CPMetric: Deep Siamese Networks for Learning Distances Between Structured Preferences [article]

Andrea Loreggia, Nicholas Mattei, Francesca Rossi, K. Brent Venable
2019 arXiv   pre-print
CPDist is a novel metric learning approach based on the use of deep siamese networks which learn the Kendal Tau distance between partial orders that are induced by compact preference representations.  ...  We use the popular CP-net formalism to represent preferences and then leverage deep neural networks to learn a recently proposed metric function that is computationally hard to compute directly.  ...  Much of this comes from the fact that since KTD is a formal metric, there is only one CP-net that induces distance 1 and one CPnet to induce distance 0: a copy of the CP-net under test and the CP-net where  ... 
arXiv:1809.08350v2 fatcat:x56zamb2yrhdfhuqeik3uz2e7y

Metric Learning for Value Alignment

Andrea Loreggia, Nicholas Mattei, Francesca Rossi, Kristen Brent Venable
2019 International Joint Conference on Artificial Intelligence  
In this paper we investigate the use of CP-nets as a formalism for representing orderings over actions for AI systems.  ...  Hence, when working with preferences it is necessary to understand and compute a metric (distance) between preferences -especially if we encode both the user preferences and ethical systems in the same  ...  Informally, given two CP-nets, we wish to estimate the distance between their induced partial orders using a neural network.  ... 
dblp:conf/ijcai/LoreggiaMRV19 fatcat:63md2m4vjzhdhaaatu7byepwwi

Exact Dominance Querying Algorithm on CP-nets

Guanlin Xin, Jinglei Liu
2016 International Journal of Database Theory and Application  
Fortunately, CP-nets is perfectly able to identify qualitative preference with conditional dependence relationship between these decision variables [5] .  ...  If we model this scenario by a CP-net, and by virtue of some reasoning techniques [2], we can easily help the buyer to determine which type of computer is the most preferred one.  ...  Acknowledgements The authors would like to thank the anonymous reviewers for their valuable comments.  ... 
doi:10.14257/ijdta.2016.9.5.03 fatcat:l27cz7c4zzgl7cwwv2ivo3w7c4

An Intuitive Dominant Test Algorithm of CP-nets Applied on Wireless Sensor Network

Liu Zhaowei, Zhang Chenghui, Liu Jinglei
2014 Sensors & Transducers  
Firstly, by constructing induced graph of CP-nets and studying its properties, we make a conclusion that the problem of strong dominant test on binary-valued CP-nets is single source shortest path problem  ...  But the algorithm and complexity of strong dominant test with respect to binary-valued structure CP-nets have not been solved, and few researchers address the application to other domain.  ...  We would like to thank the anonymous reviewers for valuable feedback on this work.  ... 
doaj:5ac79e00057c42ea81cb8c9ecba2030f fatcat:gt5nzbwszffvnbr6wn3aanitsu

Predicting the Cooling Potential of Different Shading Methods for Greenhouses in Arid Regions

Ahmed Abdel-Ghany, Ibrahim Al-Helal, Fahad Alkoaik, Abdullah Alsadon, Mohamed Shady, Abdullah Ibrahim
2019 Energies  
The results showed that the black net at 20-cm distance (BD) is desirable as it provides high CP with a reasonable solar radiation transmission.  ...  Based on these results, we developed correlations for predicting the CP for each shading method as a function of the transmitted solar radiation flux (Si). These correlations depend on Si.  ...  Therefore, several experiments with solar radiation analysis are required to optimize the distance between the net and the greenhouse cladding.  ... 
doi:10.3390/en12244716 fatcat:3cselyidrrby3aljrbmx5akpmm

A Comparative Analysis of the Center of Gravity and Center of Pressure Trajectory Path Lengths in Standing Posture: An Estimation of Active Stiffness

Olivier Caron, Thierry Gélat, Patrice Rougier, Jean-Pierre Blanchi
2000 Journal of Applied Biomechanics  
The center of foot pressure (CP) motions, representing the net neuromuscular control, was compared to the center of gravity (CG) motions, representing the net performance.  ...  This relationship was used to evaluate the CG motions based on the CP motions. Seven subjects stood still on a force plate with eyes open and eyes closed.  ...  increase the differences between the subjects' net neuromuscular control and net performance.  ... 
doi:10.1123/jab.16.3.234 fatcat:gqjxb3jatfgbdnotmbprfpgqcm

Page 19 of AT&T Technical Journal Vol. 39, Issue 3 [page]

1960 AT&T Technical Journal  
Consider first the cumulative distribution of 1000-cps circuit net loss (CNL) for the three classes of calls in Fig. 22.  ...  Note that, on the average, exchange calls are a few decibels better than long distance calls. This is to be ex- pected, since loss tends to be a function of the physical length of the connections.  ... 

Heuristics for using CP-nets in utility-based negotiation without knowing utilities

Reyhan Aydoğan, Tim Baarslag, Koen V. Hindriks, Catholijn M. Jonker, Pınar Yolum
2014 Knowledge and Information Systems  
To validate this approach, the paper compares the performance of CP-nets with our heuristics with the performance of UCP-nets that are equipped with complete preference orderings.  ...  This paper proposes heuristics that enable the use of CP-nets in utility-based negotiations by generating total orderings.  ...  Some of the ideas presented in this paper initially appeared in [1] [2] [3] .  ... 
doi:10.1007/s10115-014-0798-z fatcat:x7ngz34lhzbyvbzfttzl24a33i

Category Guided Attention Network for Brain Tumor Segmentation in MRI [article]

Jiangyun Li, Hong Yu, Chen Chen, Meng Ding, Sen Zha
2022 arXiv   pre-print
Main results: Experimental results on the BraTS 2019 datasets show that the proposed method outperformers the state-of-the-art algorithms in both segmentation performance and computational complexity.  ...  Significance: The CGA U-Net can effectively capture the global semantic information in the MRI image by using the SAM module, while significantly reducing the computational cost.  ...  Based on the existing prototype vector of each category, we compute the Euclidean distance between every two of them.  ... 
arXiv:2203.15383v1 fatcat:loxwajdrcbdkpnfkgkwxeivgeu

Probabilistic Weighted CP-nets [chapter]

Sleh El Fidha, Nahla Ben Amor
2015 Smart Innovation, Systems and Technologies  
, or "Which item is most likely to be the preferred one, given some constraints?"  ...  Even in contexts where a user is not anonymous, her preferences can depend on the value of a non controllable state variable.  ...  Acknowledgements We thank anonymous referees for their valuable comments on previous versions of this paper.  ... 
doi:10.1007/978-3-319-19857-6_15 fatcat:py2gjqshbjg5jfqagggjhelevy

Net-proton number fluctuations in the presence of the QCD critical point [article]

Michał Szymański, Marcus Bluhm, Krzysztof Redlich, Chihiro Sasaki
2019 arXiv   pre-print
This allows us to study the behavior of the net-proton number fluctuations in the presence of the CP.  ...  Event-by-event fluctuations of the net-proton number studied in heavy-ion collisions provide an important means in the search for the conjectured critical end point (CP) in the QCD phase diagram.  ...  Thäder for providing the preliminary STAR data [32] shown in Figures 2 and 5 . We also thank Bengt Friman and Marlene Nahrgang for interesting discussions and comments.  ... 
arXiv:1905.00667v2 fatcat:x6j76vm4irfg7hb53by7h5be7q

A Possibilistic Logic Approach to Conditional Preference Queries [chapter]

Didier Dubois, Henri Prade, Fayçal Touazi
2013 Lecture Notes in Computer Science  
On this basis, four methods that have an increasing discriminating power for ranking the answers to conjunctive queries, are proposed.  ...  The purely qualitative nature of the approach avoids the commensurability requirement of elementary evaluations underlying the fuzzy logic methods.  ...  of symbolic weights, without enforcing implicit preferences (as it is the case for father node preferences in CP nets).  ... 
doi:10.1007/978-3-642-40769-7_33 fatcat:uhrkz3nbhvfx7gr6quu3zlnbci

Trusted Confidence Bounds for Learning Enabled Cyber-Physical Systems

Dimitrios Boursinos, Xenofon Koutsoukos
2020 2020 IEEE Security and Privacy Workshops (SPW)  
We train a Triplet Network architecture to learn representations of the input data that can be used to estimate the similarity between test examples and examples in the training data set.  ...  The paper presents an approach for computing confidence bounds based on Inductive Conformal Prediction (ICP).  ...  ACKNOWLEDGMENT The material presented in this paper is based upon work supported by the Defense Advanced Research Projects Agency (DARPA) through contract number FA8750-18-C-0089 and the Air Force Office  ... 
doi:10.1109/spw50608.2020.00053 fatcat:x2jtvjysbzehvlnzx2jnds6fvy

Competing Metal–Ligand Interactions in Tris(cyclopentadienyl)-cyclohexylisonitrile Complexes of Trivalent Actinides and Lanthanides

Attila Kovács, Christos Apostolidis, Olaf Walter
2022 Molecules  
The metal–ligand interactions, focusing on the comparison of the actinides and lanthanides as well as on the competition of the two different ligands for M, were elucidated using the Quantum Theory of  ...  For the large La(III) ion, the bis-adduct (Cp)3La(C≡NCy)2 could also be synthesized and characterized.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/molecules27123811 pmid:35744936 pmcid:PMC9228681 fatcat:nrq2fjpfbfai7ik2nphnri65xa

Context–Problem Network and Quantitative Method of Patent Analysis: A Case Study of Wireless Energy Transmission Technology

Jason Ree, Cheolhyun Jeong, Hyunseok Park, Kwangsoo Kim
2019 Sustainability  
The intermediary outputs are then utilized to generate the proposed context–problem network (CP net) for social network, grammar, and quantitative data analysis.  ...  For verification, our method was applied to 737 patents in the wireless energy transmission technology domain, successfully yielding CP net data.  ...  Acknowledgments: The authors appreciate the financial support from the NRF, the Business for University Entrepreneurship Center, and the Ministry of SMEs and Startups allowing for this research to be accomplished  ... 
doi:10.3390/su11051484 fatcat:zq6l7rezsjfnzopgggyforsnl4
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