Two Methods for Measuring Question Difficulty and Discrimination in Incomplete Crowdsourced Data.
Sarah K. K. LugerJeff BowlesPublished in: HCOMP (Works in Progress / Demos) (2013)
Keyphrases
- missing values
- incomplete data
- data sets
- data quality
- data processing
- data mining techniques
- data collection
- raw data
- noisy data
- benchmark datasets
- data analysis
- statistical methods
- input data
- high dimensional data
- human experts
- end users
- data mining methods
- data sources
- computational cost
- missing data
- original data
- databases
- complex structures
- gold standard
- experimental data
- question answering
- synthetic data
- statistical analysis
- preprocessing
- high quality
- machine learning