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Confidence Estimation for Information Extraction

by: A Culotta, A Mccallum

(2004)

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Abstract

Information extraction techniques automatically create structured databases from unstructured data sources, such as the Web or newswire documents. Despite the successes of these systems, accuracy will always be imperfect.

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ace active active_learning adaboost adaptation agglomerative agreement algorithm algorithms allocation amibguity analysis anaphora annotation argument aso average bag-of-concepts based bayes bayesian biocreative bioinformatics bionlp blocked boosting bootstrapping bottleneck buffet by carlo categorization chain chunking church class classification classifier clustering cobweb codes collapsed combination comlex committee comparison complete-link component compositional compound concept concept_discovery conditional confidence conformal constrained_clustering constraints context contraints convergence cooccurrence coreference corpora corpus correcting correspondence cost co-testing co-training counts crf crfs criterion curation datasets dependencies dependency detection dictionaries dimensionality dirichlet disambiguation discrete distance distribution distributional divergence document domain ecoc eigenvalues em english ensemble entity entrez entropy error estimation evaluation event expectation expectation-maximization experiments exponential extraction factorization feature feedback fields filtering fisher flybase flyslip frame frames functions gaussian gene gene_ontology generalized generation generative geneways german gibbs gibs grammar grammatical graph graphical graph_kernel guidelines harmonic heat hedge hellinger hierarchical hmm hpsg ibp identifier index indexing indian induction inference infinite information information_gain interaction inter-annotator interpretation iob iobew kdd kernel kernels kl-divergence k-means knn labels language laplacian large laten latent lda learning lexicon likelihood lingpipe logarithmic logistic lop lsi machine machines mallet markov matrix maximization maximum mcmc measure membership methods metric metrics mining mira mixture model modelling models monte multiclass multinomial multinomials multiple multi-task muticlass mutual_information naive name named ncbi nearest neighbors ner nlp noise non-negative non-parametric normalization noun on-line ontology opinion output overlap parameter parse parser parsing partial particle part-of-speech pca perceptron pitman polysemous pool positive ppi predicate prediction principal prior probabilistic probability process processes proper protein protein-protein qbc query query_by_committee rand random ranking rasp rcv1 recognition reduction regression reinforcement relation relational relationships resolution retrieval reusability reuters rules sampling scheme scixml seed selection selective semantic semantics semi-supervised sense sentiment sequence shallow shared similarity single-link sketch skip-chain smoothing soft softtfidf software space sparse spectral spectral_clustering speculative speech statistical stick-breaking stopping string string_kernel structural structure subcategorization summarization supervised support svm svms syntactic tagging task term text timed topic transductive transformation-based tree tutorial uncertainty unlabelled unsupervised user variable variable-length variational variational_inference vector verb views v-measure walks web weighting word wordnet wsd xml yor