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Patents

Contents collected from the European Patent Office http://ep.espacenet.com

Authoring Tools
Automatic Hyperlinking (5), Language Checking (11), Spell Checking (16).
Coding and Compression
Speech Coding (30), Speech Enhancement (20), Text Compression (18), Text Encryption (9).
Discourse and Dialogue
Dialogue Modeling (4), Discourse Modeling (2), Discourse and Dialogue (1), Spoken Dialogue Systems (16), Spoken Language Dialogue (3).
Evaluation
Evaluation of Machine Translation and Translation Tools (3), Information Retrieval Evaluation (1), Speech Input Assessment and Evaluation (1), Speech Synthesis Evaluation (3).
Information Extraction
Answer Extraction (8), Information Extraction (50), Multimedia Information Extraction (5), Named Entity Recognition (10), Relation Extraction (6), Summarisation (31), Text Data Mining (12).
Information Retrieval
Categorisation (29), Clustering (21), Multilingual Information Retrieval (20), Multimedia Retrieval (32), Presentation and Visualisation (12), Relevance Ranking (20), Speech Retrieval (18), Topic Detection (5).
Knowledge Representation and Discovery
Automatic Hyperlinking (5), Knowledge Discovery (46), Ontologies (10), Semantic Web (6).
Language Analysis
Morphological Analysis (13), Natural Language Parsing (31), Part-of-Speech Tagging (23), Shallow Parsing (6), Tokenization and Segmentation (18).
Language Resources
Grammars (12), Lexicons (14), Linguistically Annotated Corpora (1), Multilingual Corpora (2), Spoken Language Corpora (1), Thesauri WordNets (19), Written Language Corpora (2).
Language Understanding
Word Sense Disambiguation (13).
Mathematical Methods
Connectionist Techniques (4), DSP Techniques (18), Finite State Technology (16), HMM Methods (21), Inductive Logic Programming (3), Latent Semantic Analysis (1), Maximum Entropy Methods (7), Optimization and Search in Speech and Language Processing (22), Statistical Modeling and Classification (4), Support Vector Machines (11).
Multilinguality
Automatic Language Identification (20), Example-Based Translation and Translation Memories (22), Human Aided Machine Translation (3), Machine Translation (31), Machine-Aided Human Translation (5), Multilingual Speech Processing (4), Statistical Machine Translation (17).
Multimodality
Modality Integration: Facial Movement and Speech (21).
Natural Language Generation
Natural Language Generation (9), Syntactic Generation (4).
Not Classified
Information Storage (1), Machine Learning (2), Pattern Learning (1), Speech Encryption (7), Word Recognition (1).
Spoken Language Input
Acoustic Modelling in Speech Recognition (13), Emotion Recognition (8), Language Modelling (35), Prosody Information Processing (25), Signal Analysis and Representation (21), Speaker Recognition (34), Speech Recognition (92), Spoken Language Understanding (10).
Spoken Language Output Technologies
Spoken Language Generation (4), Text-to-Speech Synthesis (43).
Written Language Input
Document Image Analysis (6), OCR: Handwriting (22), OCR: Print (20).