Questions tagged [sequential-pattern-mining]

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How's frequent pattern mining in data mining?

I am reading a paper Frequent pattern mining:current status and future directions. From this paper I learned that a lot of people did some interesting jobs in this field. But this review is published ...
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1answer
72 views

How to update the posterior belief when we are observing a stream of correlated data from a fixed but unknown data source

I want to build a [probabilistic] model that aims to infer the true value of an unknown categorical variable, $y \in \{1,2,..., K\}$. We have a dataset $(X,y): \mathbb{R}^d\rightarrow \{1,2,..., K\}$ ...
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1answer
29 views

How to find pattern in sequential data?

I have multiple sequential data that lead up to an event. All I want to do if find the equivalent sequential data or a pattern that leads to the event. The data is also multivariate so I want to ...
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115 views

Time series pattern recognition

I have measured stress at 1 million points inside a material at 100 time steps. I have made a probability distribution plot for three time steps and I see that the evolution of stress looks like this: ...
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36 views

ACF (Autocorrelation) estimation

I have two signals "Signal A" and Signal B" and I plot the autocorrelation for each signal with itself as shown below. How I can determine which signal has a stronger correlation with itself. To ...
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155 views

Clustering events in a sequence.

I've a sequence of recurring events I want to group together into representing different operation activities of the underlying process. 1) These events might potentially have an order in their ...
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247 views

k- means clustering on Markov chain trasition probability

I have data set of 50 students. I want to cluster them on their sequential data ( While doing a job they followed multiple sequences A, B, c total 7 stages). I am planning to apply k-means clustering ...
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68 views

Most efficient algorithm for sequential pattern mining on a dataset with large amount of items in each transaction?

To provide some context, I am trying to do frequent pattern mining on a dataset of system error logs from servers. I organized it into transactions based on the thread ID, which results in some very ...
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27 views

Pattern identification in data

I have some data in following format: ...
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34 views

rule generation in a big dataset

Given a dataset with 30 fields and 25000 instances, 1) what are your suggestions for novel methods of rule extraction? 2) Can I use association rule mining in addition to sequential rule mining? 3)...
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61 views

Mini-batches with sequential data

I am a little bit confused. When using mini-batches, it is a good idea to shuffle. This will not work if the training examples are dependent on each other, e.g. 5 minute voltage measurement data, ...
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27 views

How to apply sequentinal MSE model to data that is not binary?

I have been using this model with binary data to predict likely hood of play from this guide. ...
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230 views

How to model machine learning problem for cache replacement policy?

I am trying to implement machine learning on Cache Replacement Policy. I want to train a ML model on labelled data acquire from Belady's Optimal Algorithm for Cache replacement policy. For example, ...
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86 views

Clustering/ Classifying users based on sequence of action and time

I have some user data where each user has certain pattern of being at different places for some time. I want to create a model which will cluster/classify these users based on these patterns and time ...
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14 views

Model for 'Pattern to Pattern'?

How to create a model that will generate a similar pattern/image? And how sould I address it, if I only have 400 exmples after the augmentation. This is the kind of data I have (16X16) 0,0,0,0,0,0,0,...
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77 views

Detection of Anomalous Sequential User Behavior

I have a dataset containing a set of normal user sessions. Each session contains a suite of ordered user requests on N system resources {R1, ..., RN}. I want to design a continuous authentication ...
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74 views

What is the best Sequence Mining Algorithm to use for Hand Written digits Recognition system

What would be the best Sequence Mining Algorithm to use for Hand Written digit Recognition system (other then Deep learning ) ??
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1answer
3k views

best python library for finding sequential rules mining?

I want to do sequence learning for that I want to find frequent sequential rules ,this rule consider the order of occurrence
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11 views

Advanced frequent pattern identification

I have some dictionary data like this: ...
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11 views

Multiple time series sequence prediction for multiple multivariate time series

My question is somehow similar to this question, but not satisfied with the answer. I have 100 samples, each sample consists of ...
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14 views

Pattern recognition in R

I have a dataset with 12 months results data and the target value yes or no I am currently looking for a pattern recognition to understand what are determining my target result example of dataset ...
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7 views

r pattern in my dataset

I have a dataset with 12 months results data and the target value yes or no I am currently looking for a pattern recognition to understand what are determining my target result example of dataset 1 2 ...
0
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1answer
38 views

Feature Selection algorithm/library for CRF

I am using the Conditional Random Fields CRF suite scikit-learn wrapper algorithm. I have read on the literature various approaches for feature selection, but I cannot find any on that package or, ...
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9 views

models and algorithms to measure the difference and trend of a matrix sequence

I have a matrix sequence, i.e, a sequence consists of about 5000 matrix, each matrix are of the same dimension, e.g., 25*20. Are there any models/metrics to characterize the trend of these matrix. For ...
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17 views

Use sequential pattern mining rules to predict next window of a dataset

Suppose that I am performing Sequential Pattern Mining (maxgap = 1, i.e. rules for consecutive windows) and I ran the following code from arulesSequences in R Studio to determine significant rules ...
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24 views

Need Help in modeling sequence prediction problem

I am working on a problem where I have a dataset with 50 predictors (all numeric) and one response variable which is a string of words. ...
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17 views

Pattern detection in logs of operations done

I have a text file with logs of a list of operations done on a product. The list of operations can be repeated any number of times. My goal is to find the pattern in the logs. Each operation has a set ...
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45 views

Methodologies and Trends for Sequence Anomaly Detection

I recently started to approach the issue of detecting deviating behavior from rule-based sequences. Basically the task is to spot any difference from "normal running" of processes that are defined as ...
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19 views

How to find cause of an event given sequences arranged according to time?

The input is a set of sequences. Each sequence contains many events, and the events are arranged according to when they happened. What I want to find is the potential causes (e.g., event A) for a ...
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1answer
214 views

Process mining with ML

I have a little more general question. My dataset consists of N sequences of events. Example of one sequence could be [A,B,C,D,X,Y] and another [A,B,Z], where letters represent different events. The ...