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slides - Penn State University
slides - Penn State University

Genetic Algorithms Without Parameters
Genetic Algorithms Without Parameters

Efficient Learning of Entity and Predicate Embeddings for Link
Efficient Learning of Entity and Predicate Embeddings for Link

... The objective function in Eq. 1 (corresponding to the loss functional L(·) discussed in Sect. 2) enforces the energy of observed triples to be lower than the energy of unobserved triples. The constraints in the optimization problem prevent the training process to trivially solve the problem by incre ...
Lecture 20
Lecture 20

... • Need to perform calculations on them ...
approximate reasoning using anytime algorithms
approximate reasoning using anytime algorithms

WaveSurfer 400 Specification Datasheet
WaveSurfer 400 Specification Datasheet

Acid Rain
Acid Rain

Mathematical Programming for Data Mining
Mathematical Programming for Data Mining

... By structure we mean models or patterns. A pattern is classically defined to be a parsimonius description of a subset of data. a model is typically a description of the entire data. Data Mining: is a step in the KDD process concerned with the algorithmic means by which patterns or models (structures ...
06_Recursion
06_Recursion

... • When a program calls a subrutine, the current module suspends processing and the called subroutine takes over the control of the program. ...
Lab Presentation.
Lab Presentation.

... • A.L.I.C.E. at http://alice.pandorabots.com • The classic Eliza at http://nlpaddiction.com/chatbot/eliza • The Jabberwacky bots at http://www.jabberwacky.com. (Note: there are several different bots there.) • Chatbot? Or not? http://www.markconnell.com/mark/chat.asp ...
a4academics.com
a4academics.com

ARTIFICIAL NEURAL NETWORKS TO INVESTIGATE
ARTIFICIAL NEURAL NETWORKS TO INVESTIGATE

... The database that has been used was highly unbalanced. It was composed of 35,687 cases of pregnant women. In the vast majority of cases (35,058) there had not been any chromosomal abnormalities, while in the remaining 629 (1.76%) some kind of chromosomal defect had been confirmed. 8,181 cases were k ...
Feature Markov Decision Processes
Feature Markov Decision Processes

... (complex,non-MDP) sequences of observations, actions, and rewards. On the other hand, reinforcement learning is well-developed for small finite state Markov Decision Processes (MDPs). It is an art performed by human designers to extract the right state representation out of the bare observations, i. ...
Learning Predictive Categories Using Lifted Relational
Learning Predictive Categories Using Lifted Relational

Text Beautifier: An Affective-Text Tool to Tailor Written Text
Text Beautifier: An Affective-Text Tool to Tailor Written Text

A Packet Distribution Traffic Model for Computer Networks
A Packet Distribution Traffic Model for Computer Networks

... of SMTP, its traffic has three peaks, one near the origin, a second peak at about 550 bytes and the third of the end of the scale. However, that specific behavior is hardly noticed in the IP graph (Figure 6), because the IP protocol incorporates all data in one set and due to the total number of pac ...
Ubiquitous Machine Learning
Ubiquitous Machine Learning

... Real-Time. They often have to take decisions or act upon their environment - analysis and inference has to be done in real-time. ...
Improved CRC-64 algorithm for biological sequences
Improved CRC-64 algorithm for biological sequences

ppt
ppt

... effects of fault in an ANN as deviation in weight values after the neural network has been trained. • Sequin and Clay [5] use stuck-at fault model to describe the effects of faults in ANNs. • Chiu et al. [8] use a procedure that injected different types of faults into a neural network during trainin ...
DATA  SHEET BAT960 Schottky barrier diode
DATA SHEET BAT960 Schottky barrier diode

... Right to make changes ⎯ NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the p ...
IOSR Journal of Computer Engineering (IOSR-JCE)
IOSR Journal of Computer Engineering (IOSR-JCE)

... A. Selecting the objective functions: Cluster analysis partitions the set of observations into mutually exclusive groupings in order to best represent distinct sets of observations within the sample. Cluster analysis is not able to confirm the validity of these groupings as there are no predefined c ...
REVISITING THE INVERSE FIELD OF VALUES PROBLEM
REVISITING THE INVERSE FIELD OF VALUES PROBLEM

... computer algebra systems such as Mathematica, but this works only for moderate dimensions. Also an analytic approach using the Lagrange multipliers formalism makes sense, however, this is only feasible for low dimensions. We are interested in finding solution vectors in cases of dimensions larger th ...
Theoretical Program Checking
Theoretical Program Checking

Artificial Intelligence: From Programs to Solvers
Artificial Intelligence: From Programs to Solvers

... The problem with this approach is the limited scientific value of such demos [14]. Finally, some decided to write down all the relevant knowledge. This was the motivation underlying projects like Cyc [37], which haven’t yet helped to deliver general intelligence. The limitations of AI programs for e ...
Digital Steganalysis: Computational Intelligence Approach
Digital Steganalysis: Computational Intelligence Approach

< 1 ... 66 67 68 69 70 71 72 73 74 ... 193 >

Pattern recognition

Pattern recognition is a branch of machine learning that focuses on the recognition of patterns and regularities in data, although it is in some cases considered to be nearly synonymous with machine learning. Pattern recognition systems are in many cases trained from labeled ""training"" data (supervised learning), but when no labeled data are available other algorithms can be used to discover previously unknown patterns (unsupervised learning).The terms pattern recognition, machine learning, data mining and knowledge discovery in databases (KDD) are hard to separate, as they largely overlap in their scope. Machine learning is the common term for supervised learning methods and originates from artificial intelligence, whereas KDD and data mining have a larger focus on unsupervised methods and stronger connection to business use. Pattern recognition has its origins in engineering, and the term is popular in the context of computer vision: a leading computer vision conference is named Conference on Computer Vision and Pattern Recognition. In pattern recognition, there may be a higher interest to formalize, explain and visualize the pattern, while machine learning traditionally focuses on maximizing the recognition rates. Yet, all of these domains have evolved substantially from their roots in artificial intelligence, engineering and statistics, and they've become increasingly similar by integrating developments and ideas from each other.In machine learning, pattern recognition is the assignment of a label to a given input value. In statistics, discriminant analysis was introduced for this same purpose in 1936. An example of pattern recognition is classification, which attempts to assign each input value to one of a given set of classes (for example, determine whether a given email is ""spam"" or ""non-spam""). However, pattern recognition is a more general problem that encompasses other types of output as well. Other examples are regression, which assigns a real-valued output to each input; sequence labeling, which assigns a class to each member of a sequence of values (for example, part of speech tagging, which assigns a part of speech to each word in an input sentence); and parsing, which assigns a parse tree to an input sentence, describing the syntactic structure of the sentence.Pattern recognition algorithms generally aim to provide a reasonable answer for all possible inputs and to perform ""most likely"" matching of the inputs, taking into account their statistical variation. This is opposed to pattern matching algorithms, which look for exact matches in the input with pre-existing patterns. A common example of a pattern-matching algorithm is regular expression matching, which looks for patterns of a given sort in textual data and is included in the search capabilities of many text editors and word processors. In contrast to pattern recognition, pattern matching is generally not considered a type of machine learning, although pattern-matching algorithms (especially with fairly general, carefully tailored patterns) can sometimes succeed in providing similar-quality output of the sort provided by pattern-recognition algorithms.
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