Automatic spatiotemporal and semantic information extraction from unstructured geoscience reports using text mining techniques.
Qinjun QiuZhong XieLiang WuLiufeng TaoPublished in: Earth Sci. Informatics (2020)
Keyphrases
- text mining
- information extraction
- unstructured documents
- ontology population
- semi structured
- unstructured text
- structured data
- natural language processing
- natural language
- domain ontology
- text documents
- textual data
- natural language text
- information retrieval
- machine learning
- text classification
- text processing
- semantic tagging
- web documents
- knowledge discovery
- precision and recall
- free text
- linguistic patterns
- unstructured information
- named entities
- web mining
- biomedical literature
- moving objects
- data analysis
- text data
- unstructured data
- named entity recognition
- relation extraction
- relational learning
- sentiment analysis
- word sense disambiguation
- semantic annotation
- semi automatic
- semantic information
- question answering
- spatio temporal
- data mining
- semantic features
- semantic similarity
- document clustering
- semantic knowledge
- databases
- text corpora
- conditional random fields
- text representation
- space time