Detecting Anomalies in Sequences of Short Text Using Iterative Language Models.
Cynthia FreemanIan BeaverAbdullah MueenPublished in: FLAIRS Conference (2021)
Keyphrases
- language model
- short text
- detecting anomalies
- anomaly detection
- language modeling
- document retrieval
- n gram
- probabilistic model
- data mining applications
- topic detection
- query expansion
- information retrieval
- test collection
- retrieval model
- abnormal events
- document level
- query terms
- vector space model
- relevance model
- pseudo relevance feedback
- latent topics
- generative model
- information retrieval systems
- low level
- data analysis