Báo cáo khoa học: "Locating noun phrases with finite state transducers" pdf

... consulting a database of proper nouns. We describe noun phrases composed of a proper noun and/or a description of a hu- man occupation. They are formalized by finite state transducers (FST) and ... Locating noun phrases with finite state transducers. Jean Senellart LADL (Laboratoire d'automatique documentaire ... first case, non trivial occurrences of noun phrases are located, that is phrases not containing words present in the request~ but either synonyms, or proper nouns relevant to request. The results...

Báo cáo khoa học: "Arabic Language Modeling with Finite State Transducers" potx

... compose with the word,may compose with it in a unique way, or may com-pose with the word in several ways. Each of the suc-cessful compositions produces a finite state recog-nizer with brackets ... Association for Computational LinguisticsArabic Language Modeling with Finite State TransducersIlana HeintzDepartment of LinguisticsThe Ohio State UniversityColumbus, OHheintz.38@osu.edu∗AbstractIn ... finite state transducers.Figure 2 shows the result of these additions.For each word in the vocabulary, we define a sim-ple, one-arc-per-letter finite state recognizer. Wecompose this with each...

Báo cáo khoa học: "Automatic Sanskrit Segmentizer Using Finite State Transducers" pdf

... decorates the final states of its fi-nite state transducer handling Sanskrit morphol-ogy with the possible sandhi rules. However, itis still not clear how one can prioritize varioussplits with this ... awra.As the figure depicts, 0 is the start state and 4 isthe final state. Each transition is a 4-tuple <c, n,i, o> where c is current state, n is the next state, i is the input symbol and o is ... FST transition tabledo3: if next state is a final state then4: for all rules where I is the last characterof first word do5: S = next state from the start state onencountering X;6: Y = first...

Tài liệu Báo cáo khoa học: "Parameter Estimation for Probabilistic Finite-State Transducers∗" doc

... Probabilistic Finite- State Transducers∗Jason EisnerDepartment of Computer ScienceJohns Hopkins UniversityBaltimore, MD, USA 21218-2691jason@cs.jhu.eduAbstractWeighted ﬁnite -state transducers ... de-velopment cycle in natural language engineering.2 Transducers and Parameters Finite- state machines, including ﬁnite -state au-tomata (FSAs) and transducers (FSTs), are a kindof labeled directed ... the constraint requires theFST to remain Markovian: each of the 4 states mustpresent options with total probability 1 (at state 1,15+.7+.03.+.12=1). This preserves the random-walkinterpretation...

Báo cáo khoa học: "Which Noun Phrases Denote Which Concepts" pot

... conceptsper noun phrase in each category. The distributionshows that most noun phrases are unambiguous, buta small number of noun phrases have a large num-ber of senses. In many cases, these noun phrases 576are ... of noun phrases matching ≥ 1 Freebase concept divided by 100, thetotal number of noun phrases. Sense recall is the re-ciprocal of the average number of Freebase conceptsper noun phrase. Noun ... this set, we randomly sam-pled noun phrases from each category and manuallymatched each noun phrase to one or more real-worldentities. We then found other noun phrases which re-ferred to each...

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

... of noun phrases (maximal noun phrases, minimal noun phrases and ordinary noun phrases) are defined first. Maximal noun phrases are those noun phrases which are not contained in other noun phrases. ... a noun phrase may be both a maximal noun phrase and a minimal noun phrase. Ordinary noun phrases are noun phrases with no restrictions. Take (17) as an example. It has three minimal noun phrases, ... of ordinary noun phrases (NP), maximal noun phrases (MNP), minimal noun phrases (mNP) in SUSANNE Corpus. MmNP denotes the maximal noun phrases which are also the minimal noun phrases. On...

Tài liệu Báo cáo khoa học: "Identifying Noun Product Features that Imply Opinions" pdf

... Limited work has been done on nouns and noun phrases. In our work, we used the feature-based opinion mining model, and we found that in some domains nouns and noun phrases that indicate product ... cases, these nouns are not subjective but objective. Their involved sentences are also objective sentences and imply positive or negative opinions. Identifying such nouns and noun phrases and ... proposed a method to extract subjective nouns, our work is very different because many nouns implying opinions are not subjective nouns, but objective nouns, e.g., “valley” and “hole” on a...

Tài liệu Báo cáo khoa học: "Resume Information Extraction with Cascaded Hybrid Model" pdf

... which combines the estimates from data-sparse states of the complex model and the estimates in related data-rich states of the simpler models with a weighted average. In our HMMs, we first ... probability calculated with Formula 9 and x=Ei/Si (Ei is the number of words appearing only once in state i and Si is the total number of words occurring in state i). For unknown word ... easily distinguished with their internal characteristics. For example, Mobile often consists of certain length of digital figures. To identify these fields, the Finite- State Automaton (FSA)...

Báo cáo khoa học: "Better Word Alignments with Supervised ITG Models" pdf

... ﬁnding a maximal1-1 matching over phrases is NP-hard (DeNeroand Klein, 2008). With ITG, it is relatively easy to allow contigu-ous many-to-one alignment blocks without addedcomplexity.3This ... behavior of phrases such as in spiteof or in front of that are rendered as one word inChinese. For Chinese blocks, these features cap-ture the behavior of phrases containing classiﬁer phrases ... bitext cell with an English and foreign span. There are three ruletypes: Terminal unary productions X → e, f,where e and f are an aligned English and for-eign word pair (possibly with one being...

Báo cáo khoa học: "building user interfaces with natural language feedback" pdf

... tablet', either with orwithout coreference, and paste it onto the anchorsomething, obtaining two possible outcomes:Remove a tablet from the foil and swallow it [with coreference]Remove ... created with WYSIWYMwas converted into a logical formula for submis-sion to the inference engine; it was web-delivered— the user interface was written as a JAVA appletcommunicating with a ... database, the Unified Medical Language Sys-tem (Schultz and Hahn, 2001). As with CLIME,the PILLS interface was web-delivered, with theoutput documents also being displayed via HTMLframes.3 The...

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