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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,051 papers · 148 categories

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48 results for relational rules

TransINT embeds KGs by preserving implication rules, outperforming existing methods.

problem Embedding KGs while preserving relation implications for better access and analysis.
method Isomorphic intersections of linear subspaces with shared parameters for missing facts.
result Significant performance improvement in link prediction and triple classification.

In this paper, we consider non developable ruled surface with spacelike ruling, timelike ruling, respectively. We give the relations between the structure functions with the curvature and torsion of the striction line of the timelike and spacelike non developable ruled surfaces. Also, we have calculated the gaussian an…

2014-03-05abs ↗pdf ↗

In this study, we introduce Darboux slant ruled surfaces in the Euclidean 3-space which is defined by the property that the Darboux vector of orthonormel frame of ruled surface makes a constant angle with a fixed, non-zero direction. We obtain the characterizations of Darboux slant ruled surfaces regarding the conical …

2013-11-04abs ↗pdf ↗

We provide self-contained proof of a theorem relating probabilistic coherence of forecasts to their non-domination by rival forecasts with respect to any proper scoring rule. The theorem appears to be new but is closely related to results achieved by other investigators.

2007-10-16abs ↗pdf ↗

In this article supervised learning problems are solved using soft rule ensembles. We first review the importance sampling learning ensembles (ISLE) approach that is useful for generating hard rules. The soft rules are then obtained with logistic regression from the corresponding hard rules. In order to deal with the p…

2012-05-21abs ↗pdf ↗

The paper explores new rules for analyzing label rankings and pairwise preferences.

problem Mining patterns in multi-target relations for label ranking.
method Developed two types of association rules: Label Ranking Association Rules (LRAR) and Pairwise Association Rules (PAR). Conducted sensitivity analysis on similarity measures.
result Both LRAR and PAR show potential in analyzing multi-target relations.

The Lamarle Formula, given by Kruppa in \cite{Kr}, is known as a relationship between the Gaussian curvature and the distribution parameter of a ruled surface in the surface theory. The ruled surfaces were investigated in 3 different classes with respect to the character of base curves and rulings, \cite{Tu1},\cite{Tu2…

2010-01-05abs ↗pdf ↗

Defines new ruled surfaces using alternative frames and analyzes their geometric properties.

problem Analyzing geometric properties of new ruled surfaces.
method Using alternative frames to define new ruled surfaces and studying their differential geometric properties.
result Geodesic curvatures, normal curvatures, and geodesic torsions of the base curve and striction line are found.

In this paper, we investigate the ruled surfaces generated by a straight line according to rotation minimizing frame (RMF). Using this frame of a straight line, we obtained the necessary and sufficient conditions when the ruled surface is developable. Also, we give some new results and theorems related to be the asympt…

2014-07-01abs ↗pdf ↗

Study on Kähler metrics on ruled surfaces, proving existence and non-existence.

problem Existence and non-existence of Kähler metrics on minimal ruled surfaces.
method Analysis of twisted and coupled constant scalar curvature Kähler metrics.
result Bound for Chen-Cheng invariant on ruled surfaces.

We discuss theoretical aspects of the product rule for classification problems in supervised machine learning for the case of combining classifiers. We show that (1) the product rule arises from the MAP classifier supposing equivalent priors and conditional independence given a class; (2) under some conditions, the pro…

2013-01-17abs ↗pdf ↗

New type of ruled surfaces studied with properties and examples.

problem Characterizing and understanding new types of ruled surfaces.
method Definition of a new orthonormal frame, calculation of Gaussian and mean curvatures, analysis of Weingarten map and geodesic properties.
result Conditions for an OT-surface to be flat or minimal are derived, and examples of helices and slant helices are provided.

We consider rules for discarding predictors in lasso regression and related problems, for computational efficiency. El Ghaoui et al (2010) propose "SAFE" rules that guarantee that a coefficient will be zero in the solution, based on the inner products of each predictor with the outcome. In this paper we propose strong …

2010-11-09abs ↗pdf ↗

Lifted Relational Neural Networks (LRNNs) describe relational domains using weighted first-order rules which act as templates for constructing feed-forward neural networks. While previous work has shown that using LRNNs can lead to state-of-the-art results in various ILP tasks, these results depended on hand-crafted ru…

2017-10-05abs ↗pdf ↗

Understanding the behavior of a trained network and finding explanations for its outputs is important for improving the network's performance and generalization ability, and for ensuring trust in automated systems. Several approaches have previously been proposed to identify and visualize the most important features by…

2018-08-29abs ↗pdf ↗

Defines and analyzes generalized normal ruled surfaces of curves in 3D space.

problem Understanding the geometry of generalized normal ruled surfaces.
method Calculates Gaussian and mean curvatures to determine surface properties and examines curve conditions.
result Determines when surfaces are flat or minimal and identifies specific curve types.

We consider ruled and quadric surfaces in the 3-dimensional Euclidean space which are of coordinate finite type with respect to the third fundamental form IIIIII, i.e., their position vector x\boldsymbol{x} satisfies the relation ΔIIIx=ΛxΔ^{III}\boldsymbol{x}=\varLambda \boldsymbol{x} where Λ\varLambda is a square matrix o…

2016-10-14abs ↗pdf ↗

This paper proposes a framework to learn explainable rules from knowledge graphs for better recommendation.

problem Combining side information with explainability in recommendation systems.
method Joint learning framework integrating rule induction from knowledge graphs with a rule-guided neural recommendation model.
result Significant improvements in item recommendation performance over baselines.

Superposition rules form a class of functions that describe general solutions of systems of first-order ordinary differential equations in terms of generic families of particular solutions and certain constants. In this work we extend this notion and other related ones to systems of higher-order differential equations …

2011-11-17abs ↗pdf ↗

We further study the incidence relations that arise from the various subtowers, known as Baby Monster, which exist within the R3\mathbb{R}^{3}-Monster Tower. This allows us to complete the RVTRVT class spelling rules. We also present a method of calculating the various Baby Monster that appear within the Monster Tower.

2014-07-07abs ↗pdf ↗

SRF learns sparse rule models by screening out features efficiently.

problem Learning optimal sparse rule models is computationally intractable due to the large number of possible rules.
method SRF uses meta safe screening (mSS) to efficiently screen out multiple features, improving the learning of sparse rule models.
result SRF provides a general framework for fitting sparse rule models and can handle group regularization.

Mining relationships between treatment(s) and medical problem(s) is vital in the biomedical domain. This helps in various applications, such as decision support system, safety surveillance, and new treatment discovery. We propose a deep learning approach that utilizes both word level and sentence-level representations …

2018-06-26abs ↗pdf ↗

Paper explores subdifferential chain rules for matrix factorization and related machine learning models.

problem Clarke subdifferential chain rules for matrix factorization and factorization machines.
method Analyzes conditions for subdifferential chain rules to hold, especially for overparameterized models.
result Subdifferential chain rules hold for matrix factorization and factorization machines under certain conditions.

The paper develops methods to derive mixed superposition rules for Lie systems and applies them to various physical systems.

problem Finding general solutions for Lie systems.
method Develops mixed superposition rules for Lie systems with imprimitive Lie algebras and semidirect sums.
result Extends coalgebra method to Lie systems of partial differential equations.

A new gradient boosting method improves interpretability of probabilistic models.

problem Learning interpretable yet accurate probabilistic models with limited rule complexity.
method A new objective function that measures the angle between risk gradient and condition output vector projection.
result Significantly improves comprehensibility/accuracy trade-off of fitted ensemble.

GraIL predicts relations by reasoning over subgraphs, outperforming embeddings.

problem Relation prediction in knowledge graphs using latent representations is limited.
method Graph neural network with inductive bias to learn entity-independent relational semantics.
result GraIL outperforms existing rule-induction baselines in the inductive setting.

MPNPs use message passing to exploit relational structure in stochastic processes.

problem Lack of relational information in NPs limits their effectiveness in tasks with neighborhood rules.
method Introduce MPNPs that explicitly use relational structure through message passing.
result MPNPs outperform NPs in tasks with relational information, showing significant gains in few-shot learning.

New characterizations of ruled real hypersurfaces in complex projective space found.

problem Characterizing ruled real hypersurfaces in complex projective space.
method Defined tensor fields related to Levi-Civita and generalized Tanaka-Webster connections and studied the structure operator.
result Obtained new characterizations of ruled real hypersurfaces in complex projective space.

We consider a skew ruled surface ΦΦ in the Euclidean space E3E^{3} and relative normalizations of it, so that the relative normals at each point lie in the corresponding asymptotic plane of ΦΦ. We call such relative normalizations and the resulting relative images of ΦΦ \emph{asymptotic}. We determine all ruled surf…

2013-07-23abs ↗pdf ↗