Báo cáo khoa học: "Extracting Noun Phrases from Large-Scale Texts: A Hybrid Approach and Its Automatic Evaluation" pot

... Extracting Noun Phrases from Large-Scale Texts: A Hybrid Approach and Its Automatic Evaluation Kuang-hua Chen and Hsin-Hsi Chen Department of Computer Science and Information Engineering National ... Corpus is a modified and reduced version of Brown Corpus). 238 Apparently, a noun phrase may be both a maximal noun phrase and a minimal noun ph...

Ngày tải lên: 31/03/2014, 06:20

... and comparative, JJS: adjective and superla- tive, RBR: adverb and comparative, and RBS: adverb and superlative 153 validation show the overall precision of 88.68% and the overall recall of ... Tags for compar- ative and superlative in English 1 , whereas, unfor- tunately, the POS tagger of Korean does not pro- vide any comparative and superlative tags be- cause the analysis...

Ngày tải lên: 20/02/2014, 09:20

... relations: A en (and) B. Additionally, we have applied a corpus-indepen- dent morphological approach which takes advantage of the fact that in Dutch, compound words often have the head in the final ... 1.98 morphological approach 0.54 0.33 0.41 1.19 Table 1: Performances measured in our earlier work (Tjong Kim Sang and Hofmann, 2007) with a mor- phological approach and patterns...

Ngày tải lên: 17/03/2014, 04:20

... representation of Max embarque la caisse sur le cargo [3J/Max em- barks the crate on the cargo boat can be analyzed in two steps. First there is a transition from an initial state IS where ... cargo~the crate was embarked on the cargo boat, and is schematized in (2). One of the argument (cargo boat) is used as a localization while the other argument is used as a localized en...

Ngày tải lên: 17/03/2014, 08:20

... The characters are in the same place at the same time; 2. The characters take turns speaking; and 3. The characters are mutually aware of each other and each character’s speech is mutually intended ... Przybocki, Lance Ramshaw, Stephanie Strassel, and Ralph Weischedel. 2004. The automatic content ex- traction (ace) program tasks, data, and evaluation. In Proceedings of the Fourth In...

Ngày tải lên: 23/03/2014, 16:20

... Computa- tional Linguistics, pages 385–393, June. Abraham Kaplan. 1955. An experimental study of ambi- guity and context. Mechanical Translation, 2:39–46. Dan Klein, Sepandar D. Kamvar, and Christopher ... citation matching (Bhattacharya and Getoor, 2007; Bhattacharya and Getoor, 2006; Poon and Domingos, 2007). As with word sense induction, many approaches to these problems are unsu...

Ngày tải lên: 30/03/2014, 21:20

... were applied to two sets of new abstracts downloaded from Medline: 100 new abstracts from the origi- nal four medical areas (25 abstracts from each area), and 30 abstracts from two new domains (15 ... kill can be para- phrased as to cause to die. We analyzed the 200 training abstracts to identify the linguistic markers (such as causal links and causative verbs) used to indicate ca...

Ngày tải lên: 31/03/2014, 04:20

... email: senella@ladl.j ussieu.fr Abstract We present a method for constructing, main- taining and consulting a database of proper nouns. We describe noun phrases composed of a proper noun and/ or ... and/ or a description of a hu- man occupation. They are formalized by finite state transducers (FST) and large coverage dic- tionaries and are applied to a corpus...

Ngày tải lên: 31/03/2014, 04:20

... UDPgalactose 4-epimerase from Saccharomyces cerevisiae A bifunctional enzyme with aldose 1-epimerase activity Siddhartha Majumdar 1 , Jhuma Ghatak 2 , Sucheta Mukherji 2 , Hiranmoy Bhattacharjee 3 and ... onepimerase andmutarotase activity. Epimerase (10 lg) was incubated with 2 m M 5¢-UMP and 10 m M L -arabinose at room temperature. Aliquots were taken at intervals and assayed for...

Ngày tải lên: 19/02/2014, 12:20

... were purchased from Sigma-Aldrich and Carlo Erba (Milan, Italy), and were of the highest available grade. Acknowledgements Thanks are due to Prof G.L. Sottocasa and Dr Anto- nella Bandiera (University ... 1), plasma membrane (lane 2) and tonoplast (lane 3) vesicles obtained from carnation petals, while lane 4 was loaded with rat liver plasma membrane vesicles. In all samples, anti...

Ngày tải lên: 20/02/2014, 01:20