Yaakov HaCohen-Kerner

10 Questions 41 Answers 0 Followers

Questions related from Yaakov HaCohen-Kerner

Can you recommend on papers that are related to what features are regarded as over fitted for classification tasks?

Can you recommend on papers that are related to what features are regarded as over fitted (e.g., unigrams below a certain threshold) for classification tasks?

02 February 2017 701 0 View

What are the influences of of the proportion between the size of the corpora & the # of features on various ML methods?

What are the influences of of the proportion between the size of the corpora (both positive & negative examples and learning and testing corpus) and the number of features on the...

12 December 2016 5,585 0 View

What are the recommended normalization activities of Social Media Texts such as tweets?

Dear all, (1) What are the recommended normalization activities of Social Media Texts such as tweets? (2) Could you recommend on suitable corpora that can be used for the normalization task? Best...

01 January 2016 6,216 4 View

What are the file formats and programs for working with pictures and what are the kinds of visual features?

Dear Colleagues, (1) Please rank the various file formats for working with pictures from the viewpoints of: quality of the pictures, quality and number of extracted features, size of needed files,...

05 May 2015 9,449 0 View

What are the types of visual features, their classifications and how to extract them?

Dear Colleagues, I have a few basic questions concerning visual features and their extraction. I will be grateful if you can send me detailed answers plus references to the most relevant books and...

04 April 2015 2,086 0 View

How can I do an automatic tuning of the parameters of any ML method in a systematic way in general and in WEKA in particular?

Hello, How can I do an automatic tuning of the parameters of any ML method in a systematic way in general and in WEKA in particular? Thanks in advance, Yaakov

02 February 2015 8,082 10 View

Could you refer me to cognitive models that detect and correct typing errors?

Could you refer me to cognitive models that explain the types of errors in typing text and ways to correct them?

01 January 2015 4,518 3 View

Can anyone recommend some references for the retrieval and classification of multimodal files containing text, images, audio and video?

What are the most fundamental and important papers and books about various kinds of features and their extraction for retrieval and classification of multimodal files containing text, images,...

10 October 2014 1,265 1 View

How can we measure the quality of the built clusters?

Assuming we have a corpus with unlabeled documents and we have useda certain unsupervised ML method and we get some clusters.How can we measure the quality of the built clusters?Please remember,...

09 September 2014 9,402 5 View

How can we carry out text classification using ML methods in WEKA for unbalanced classes?

When we do text classification using ML methods such as SMO in WEKA for unbalanced classes, e.g., if we have a table with a 95% value of 0 in the output column, then SMO always chooses 0 and...

04 April 2014 1,287 2 View