Semantic Hierarchical Indexing for Online Video Lessons Using Natural Language Processing.
Marco ArazziMarco FerrettiAntonino NoceraPublished in: Big Data Cogn. Comput. (2023)
Keyphrases
- online video
- natural language processing
- natural language
- semantic analysis
- natural language understanding
- linguistic analysis
- information extraction
- semantic indexing
- machine learning
- user interaction
- high level
- semantic information
- information retrieval
- text mining
- database
- semantic representations
- computational linguistics
- lessons learned
- knowledge representation
- wordnet
- audio visual content
- semantic annotation
- semantic similarity
- free text
- text processing
- semantic description
- semantic web
- web services
- named entity recognition
- semantic parsing
- named entities
- question answering
- textual entailment
- umls metathesaurus
- semantic knowledge
- indexing method
- multimedia databases
- word sense disambiguation
- low level features
- machine translation
- multimedia