1. Articles in category: Parsing

    505-528 of 597 « 1 2 ... 19 20 21 22 23 24 25 »
    1. Fractal semantic network generator

      A method, system, and a program storage device readable by machine, tangibly embodying a program of instructions executable by the machine to perform method steps for processing an input string to generate a fractal semantic network. The fractal semantic network is obtained by parsing the input string to generate an initial parse structure which comprises a plurality of parse elements. Semantic units are generated from some of the parse elements by employing a set of mapping rules for mapping certain types of parse elements into the semantic units such that some of the semantic units are information objects and some ...
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      Mentions: New York London Janus
    2. Apparatus and method for processing natural language

      A user interface is described which allows a user to enter input data representing a phrase, sentence, or passage of a natural language in order to cause the initiation of an action by a computer. The input data is parsed in order to generate meaning data in the form of lexical meaning representations and link data which defines the modification relationship between the lexical meaning representations. The meaning data of the input data is compared with similar meaning data for reference data by identifying a head lexical meaning representation which does not modify any other lexical meaning representations. An equivalent ...
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    3. System and method to match linguistic structures using thesaurus information

      A system and method for evaluating similarity among multiple data structures are provided. In one embodiment, a number of entries are created in a database and a relative entropy value corresponding to each entry is calculated. Each data structure is analyzed and at least one substructure is generated for each data structure as a result of the analysis. This at least one substructure pertaining to each data structure is matched to the entries in the database to obtain matching entries. Finally, a match value is generated using the relative entropy values corresponding to the matching entries.
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    4. Automatically assigning medical codes using natural language processing

      A programmed implementation for automatically assigning medical codes (including diagnosis, procedure, and level of service--i.e., evaluation and management (EM)--codes) to computer readable physician notes using natural language processing. A system allows hospitals, physician management groups, and medical billing companies to automatically determine and assign the medical codes that are the basis of reimbursement for medical services. The proposed implementation can be in place of human medical coders who otherwise would be employed to determine and assign these codes. Implementation requires only minor modifications to the traditional data-flow and allows for major improvements in throughput and timeliness of billing ...
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    5. Method and computer system for part-of-speech tagging of incomplete sentences

      The invention relates to a method and a computer system for enhanced part-of-speech (POS-) tagging as well as grammatically disambiguating a phrase. A phrase is usually a short multiword expression that may be ambiguous. By introducing grammatical constraints the invention supports POS-tagging as well as grammatically disambiguating the phrase. According to an identifier for the phrase, the phrase is supplemented with artificial context information. The supplemented phrase is then POS-tagged or grammatically disambiguated. Important applications are POS-tagging, Automatic Term Encoding, Headword Detection and Information Retrieval.
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      Mentions: Start
    6. Learning method and system based on questioning

      An apparatus and a system to teach a user a subject based on his questions. The system allows the user to control his learning process, and helps to fill in gaps of misunderstanding in the subject. In one embodiment, the system, including a database, presents study materials on the subject to the user. After working on the presented materials, the user enters his question into the system, which generates an answer to the question, and presents it to him. Then the system compares the question with one or more questions previously entered by the user to determine his understanding level ...
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    7. Expressive parsing in computerized conversion of text to speech

      A preferred embodiment of the method for converting text to speech using a computing device having a memory is disclosed. Text, being made up of a plurality of words, is received into the memory of the computing device. A plurality of phonemes are derived from the text. Each of the phonemes is associated with a prosody record based on a database of prosody records associated with a plurality of words. A first set of the artificial intelligence rules is applied to determine context information associated with the text. The context influenced prosody changes for each of the phonemes is determined ...
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    8. System, method and program product for interactive natural dialog

      This patent describes a novel system, method, and program product that are used in interactive natural language dialog. One or more presentation managers operating on a computer system present information from the computer system to one or more users over network interface(s) and accept queries from the users using one or more known input/output modalities (e.g. Speech, typed in text, pointing devices, etc.). A natural language parser parses one or more natural language phrases received over one or more of the network interfaces by one or more of the presentation managers into one or more logical forms ...
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    9. Method for segmentation of text

      A computerized method, and a corresponding apparatus, for segmentation of a stream of text elements comprising analyzed tokens into one or more initial clauses is disclosed. In the method, a predetermined number of consecutive text elements of said stream of text elements are scanned, starting from a given position. The predetermined number of consecutive text elements are compared with each pattern of a set of patterns for beginnings of initial clauses, and a beginning of an initial clause is identified in the predetermined number of consecutive text elements, if the predetermined number of consecutive text elements match one pattern of ...
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    10. Chart parsing using compacted grammar representations

      A chart parser and a method for generating a parse chart for a sequence of input symbols in accordance with an abbreviated representation of a grammar. According to the method, an abbreviated representation of a grammar is stored as a set of finite-state automata, each finite-state automaton corresponding to a rule of the grammar. Chart edges are derived chart edges from the sequence of input symbols in accordance with the set of finite-state automata and are stored in the parse chart. Each chart edge spans a portion of the sequence of input symbols and may include a left input vertex ...
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    11. Method and system to analyze, transfer and generate language expressions using compiled instructions to manipulate linguistic structures

      A natural language translation system contains language-neutral modules for syntactic analysis, transfer, and morphological and syntactical generation of feature structures for an input expression in a source and a target language. The language-neutral modules are driven by language-specific grammars to translate between the specified languages so that no knowledge about the languages need be incorporated into the modules themselves. The modules interface with the grammar rules in the form of compiled grammar programming language statements that perform the required manipulation of the feature structures. Because the modules are language-neutral, the system is readily adaptable to new languages simply by providing ...
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    12. Search engine with natural language-based robust parsing for user query and relevance feedback learning

      A search engine architecture is designed to handle a full range of user queries, from complex sentence-based queries to simple keyword searches. The search engine architecture includes a natural language parser that parses a user query and extracts syntactic and semantic information. The parser is robust in the sense that it not only returns fully-parsed results (e.g., a parse tree), but is also capable of returning partially-parsed fragments in those cases where more accurate or descriptive information in the user query is unavailable. A question matcher is employed to match the fully-parsed output and the partially-parsed fragments to a ...
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    13. Automated natural language processing

      An automated natural language translation system takes source natural language text (preferably in Japanese) and translates them into a target natural language (preferably English). The system also allows an operator to re-translate automatically selected portions of the source text. The system includes an improvement directed to transforming kanas in the source text into alphabetic letters of the target language which allows the presence of a word or phrase boundary to be recognized in the middle of a kana. The system also includes an improvement involving performing concurrently on the source text both a morphological analysis and a syntactic analysis.
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    14. Method and system for reducing lexical ambiguity

      A method and system for reducing lexical ambiguity in an input stream are described. In one embodiment, the input stream is broken into tokens. The tokens are used to create a connection graph comprising a number of paths. Each of the paths is assigned a cost. At least one best path is defined based upon a corresponding cost to generate an output graph. The generated output graph is provided to reduce lexical ambiguity.
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    15. System and method for providing appropriate hyperlink based on identified keywords from text messages sent between users

      In a computer communications system wherein a number of user stations are connected via a data network to a remote server hosting a chat-space where text messages may be exchanged, a parsing subsystem is provided in at least some of the user stations. The parsing subsystem identifys keywords in the exchange text messages and, using these as search terms sent to a further server hosting a search engine, obtains and makes available to the user auxiliary sources of data which may be of interest. In an alternative embodiment, the parser subsystem is held by the chatspace server and transmits the ...
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      Mentions: Palo Alto
    16. Concept-based search and retrieval system

      A concept-based indexing and search system indexes collections of documents with ontology-based predicate structures through automated and/or human-assisted methods. The system extracts the concepts behind user queries to return only those documents that match those concepts. The concept based search and retrieval system comprehends the intent behind a query from a user, and returns results matching that intent. The system can perform off-line searches for unanswered user queries and notify the user when a match is found.
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      Mentions: Canada Yahoo nasdaq
    17. Creating an electronic dictionary using source dictionary entry keys

      A method and system for retrieving information from an electronic dictionary. The system stores all information about words that have the same normalized form into a single entry within the electronic dictionary. The normalized form of a word has all lower case letters and no diacritical marks. When information is to be retrieved from the dictionary for a word, the word is first normalized and then the dictionary is searched for the entry corresponding to that normalized word. The entry that is found contains the information for that word.
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      Mentions: Poland
    18. Word segmentation in chinese text

      The present invention provides a facility for selecting from a sequence of natural language characters combinations of characters that may be words. The facility uses indications, for each of a plurality of characters, of (a) the characters that occur in the second position of words that begin with the character and (b) the positions in which the character occurs in words. For each of a plurality of contiguous combinations of characters occurring in the sequence, the facility determines whether the character occurring in the second position of the combination is indicated to occur in words that begin with the character ...
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      Mentions: Buenos Aires
    19. Probabilistic system for natural language processing

      A natural language understanding system is described to provide generation of concept codes from free-text medical data. A probabilistic model of lexical semantics, is implemented by means of a Bayesian network, and is used to determine the most probable concept or meaning associated with a sentence or phrase. The inventive method and system includes the steps of checking for synonyms, checking spelling, performing syntactic parsing, transforming text to its "deep" or semantic form, and performing a semantic analysis based on a probabilistic model of lexical semantics.
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    20. Systems and methods for parsing a natural language sentence

      A method, computer program product, and apparatus for parsing a sentence which includes tokenizing the words of the sentence and putting them through an iterative inductive processor. The processor has access to at least a first and second set of rules. The rules narrow the possible syntactic interpretations for the words in the sentence. After exhausting application of the first set of rules, the program moves to the second set of rules. The program reiterates back and forth between the sets of rules until no further reductions in the syntactic interpretation can be made. Thereafter, deductive token merging is performed ...
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    21. System and method to compile instructions to manipulate linguistic structures into separate functions

      A grammar programming language ("GPL") compiler compiles each rule in a natural language grammar into a separate function that can be invoked by a translation system to apply the rule to a representation of a natural language expression. The GPL compiler can output the functions for the rules as source code for a standard computer programming language to be further compiled into object code that can be directly executed by a computer processor. The GPL compiler can also generate special functions for each rule to enable multi-layered operations on the representations and to handle the processing of representations of ambiguous ...
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    22. Automatic control of household activity using speech recognition and natural language

      Speech recognition and natural language parsing components are used to extract the meaning of the user's spoken input. The system stores a semantic representation of an electronic activity guide, and the contents of the guide can be mapped into the grammars used by the natural language parser. Thus, when the user wishes to navigate through the complex menu structure of the electronic activity guide, he or she only needs to speak in natural language sentences. The system automatically filters the contents of the guide and supplies the user with on-screen display or synthesized speech responses to the user's ...
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    23. Apparatus and method for generating processor usable data from natural language input data

      Apparatus generates data in processor usable form from natural language input data units in different unit categories. Input data categorized into categories generates data units having unit identification data and corresponding unit category data for input to a cascaded plurality of matching processing stages. Each matching processing stage of this cascade except the first uses any unmatched unit category data and group category data from previous matching processing stages in place of matched category data to match the unit and/or group category data with at least one predetermined pattern of unit and/or group category data. New group category ...
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    24. Methodology for the use of verbal proxies for dynamic vocabulary additions in speech interfaces

      An application (50) utilizing a speech recognition interface (10) employs the use of verbal proxies to accomplish dynamic vocabulary updates. One or more proxies used by the application (50) are defined (60) and added to the vocabulary (38) of the speech recognition interface (10). Upon the speech recognition interface (10) receiving a speech signal (14) representative of a command containing a defined proxy, the recognized speech is converted to text by the speech recognition interface (66, 68) to generate a text version of the recognized speech (28). The application receives the text version of the recognized speech (28) and processes ...
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    505-528 of 597 « 1 2 ... 19 20 21 22 23 24 25 »
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