scholarly journals XML-to-SQL Query Translation Literature: The State of the Art and Open Problems

2003 ◽  
pp. 1-18 ◽  
Author(s):  
Rajasekar Krishnamurthy ◽  
Raghav Kaushik ◽  
Jeffrey F. Naughton
Keyword(s):  
State Of The Art ◽  
The State ◽  
Open Problems ◽  
Query Translation ◽  
Sql Query

OPEN PROBLEMS IN COOPERATIVE LOCATION GAMES

2013 ◽  
Vol 15 (03) ◽  
pp. 1340015 ◽  
Author(s):  
VITO FRAGNELLI ◽  
STEFANO GAGLIARDO
Keyword(s):  
Game Theory ◽  
Objective Function ◽  
State Of The Art ◽  
The State ◽  
Location Problems ◽  
Open Problems ◽  
Location Games

Location problems describe those situations in which one or more facilities have to be placed in a region trying to optimize a suitable objective function. Game theory has been used as a tool to solve location problems and this paper is devoted to describe the state-of-the-art of the research on location problems through the tools of game theory. Particular attention is given to the problems that are still open in the field of cooperative location game theory.

OPEN PROBLEMS IN VETO THEORY

2013 ◽  
Vol 15 (02) ◽  
pp. 1340006 ◽  
Author(s):  
MICHELA CHESSA ◽  
VITO FRAGNELLI
Keyword(s):  
Political Science ◽  
State Of The Art ◽  
The State ◽  
Open Problems ◽  
Research Fields

The issue of veto may play an important role in an approval situation, mainly in political science, where several scholars dealt with this topic. In this survey we want to update the state-of-the-art, paying particular attention to the open problems that various authors pointed out in their research fields.

scholarly journals A Survey of the Elastic Flow of Curves and Networks

2021 ◽  
Author(s):  
Carlo Mantegazza ◽  
Alessandra Pluda ◽  
Marco Pozzetta
Keyword(s):  
Global Existence ◽  
Critical Points ◽  
State Of The Art ◽  
The State ◽  
Open Problems ◽  
Complete Proof ◽  
Closed Curves ◽  
Smooth Convergence ◽  
The Subject

AbstractWe collect and present in a unified way several results in recent years about the elastic flow of curves and networks, trying to draw the state of the art of the subject. In particular, we give a complete proof of global existence and smooth convergence to critical points of the solution of the elastic flow of closed curves in $${\mathbb {R}}^2$$ R 2 . In the last section of the paper we also discuss a list of open problems.

COMPARING POWER INDICES

2013 ◽  
Vol 15 (02) ◽  
pp. 1340004 ◽  
Author(s):  
CESARINO BERTINI ◽  
JOSEP FREIXAS ◽  
GIANFRANCO GAMBARELLI ◽  
IZABELLA STACH
Keyword(s):  
State Of The Art ◽  
The State ◽  
Power Indices ◽  
Open Problems ◽  
The Real ◽  
Global Vision

This paper aims to give a global vision concerning the state of the art of studies on 13 power indices and to establish which of them are more suitable for describing the real situations which are, from time to time, taken into consideration. In such contexts, different comparisons have been developed in terms of properties, axiomatic grounds and so on. This analysis points out various open problems.

Open problems in the theory of completely positive and copositive matrices

2015 ◽  
Vol 29 ◽  
pp. 46-58 ◽  
Author(s):  
Avi Berman ◽  
Mirjam Dur ◽  
Naomi Shaked-Monderer
Keyword(s):  
Open Problem ◽  
State Of The Art ◽  
The State ◽  
Open Problems ◽  
Completely Positive ◽  
Copositive Matrices ◽  
Completely Positive Matrices ◽  
Positive Matrices

We describe the main open problems which are currently of interest in the theory of copositive and completely positive matrices. We give motivation as to why these questions are relevant and provide a brief description of the state of the art in each open problem.

A Review of Non-Minutiae Based Fingerprint Features

2018 ◽  
Vol 8 (1) ◽  
pp. 32-58 ◽  
Author(s):  
Ravinder Kumar
Keyword(s):  
Machine Learning ◽  
Critical Review ◽  
State Of The Art ◽  
The State ◽  
Fingerprint Matching ◽  
Open Problems ◽  
Future Directions ◽  
Detailed Review ◽  
The Future

This article presents a critical review of extensive research on automatic fingerprint matching over a decade. In particular, the focus is made on the non-minutiae-based features and machine-learning-based fingerprint matching approaches. This article highlights the problems pertaining to the minutiae-based features and presents a detailed review on the state-of-the-art of non-minutiae-based features. This article also presents an overview of the state-of-the-art fingerprint benchmark databases, along with the open problems and the future directions for the fingerprint matching.

Steganalysis

2011 ◽  
pp. 245-265 ◽  
Author(s):  
Hafiz Malik ◽  
Rajarathnam Chandramouli ◽  
K. P. Subbalakshmi
Keyword(s):  
Detection Probability ◽  
State Of The Art ◽  
The State ◽  
Critical Parameters ◽  
Secret Key ◽  
Open Problems ◽  
Message Length

In this chapter we provide a detailed overview of the state of the art in steganalysis. Performance of some steganalysis techniques are compared based on critical parameters such as the hidden message detection probability, accuracy of the estimated hidden message length and secret key, and so forth. We also provide an overview of some shareware/freeware steganographic tools. Some open problems in steganalysis are described.

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