A knowledge based approach to active decision support

... such tasks As an advanced variation and refinement of the traditional passive decision support philosophy, active decision support tools are capable of actively participating in the decision- making ... Wichern 2003) 41 Chapter Advanced Knowledge Based System With Active Decision Support Relative score matrix Factor Identification (Factor analysis) Factor score matrix Key factors Alternative clusters ... Resource support approach and Intellectual support approach are two general decision support strategies and are here used to develop active decision support for high-level cognitive tasks New ideas...

A Knowledge-Based Approach to Network Security: Applying Cyc in the Domain of Network Risk Assessment pptx

... server translates the information returned by the Sentinels into CycL and adds it to the KB This approach is potentially vulnerable to an attack on the Sentinels themselves, or to spoofing of their ... 95/98/NT/2000/XP, Linux RedHat and Solaris The Attack Planner enables the user to state plan goals, launch the planner and view the attack plans generated For example, a user can state the goal “An external ... that gathers information about the software, hardware and status of the machine it is running on The server polls the Sentinels, gathers network information from them, and then represents that...

Tài liệu Báo cáo khoa học: "A Ranking-based Approach to Word Reordering for Statistical Machine Translation" doc

... the word order in target language To this end, we propose a simple but effective ranking-based approach to word reordering The ranking model is automatically derived from the word aligned ... baseline system for In order to show whether the improved performance is really due to improved reordering, we would like to measure the reorder performance directly 917 Reordering Performance As ... concludes the paper Word Reordering as Syntax Tree Node Ranking Given a source side parse tree Te , the task of word reordering is to transform Te to Te , so that e can match the word order in target...

Tài liệu Báo cáo khoa học: "A Feature Based Approach to Leveraging Context for Classifying Newsgroup Style Discussion Segments" pptx

... fsm feature, which indicates the state of a simple finite-state automaton that only has two states The automaton is set to initial state (q0) at the top of a message It makes a transition to state ... history for sequential learning in terms of previous messages Thus, for all three dimensions, we report results for histories defined within a single message in our evaluation below Feature Based ... the corpus We also included a feature that indicated the number of words in the segment Thread Structure Features The simplest contextoriented feature we can add based on the threaded structure...

Báo cáo khoa học: "A Memory-Based Approach to the Treatment of Serial Verb Construction in Combinatory Categorial Grammar" pdf

... in registers for being filled to gaps found in the rest of the input sentence These registers are too powerful since they enable ATN to recognize the full class of context-sensitive grammars In ... goes out to seek Laay in the cane field and he finds that it is about to walk away.’ The sentence in (17) are split into two SVCs: the series of V1 to V3 and the series of V4 to V5 , because they not ... with the gap There are two constraint parameters in each modality: the combinatory directionality d ∈ {< , >} and the syntactic category c, resulting in the filler and the gap denoted in the forms...

Báo cáo khoa học: "A RULE-BASED APPROACH TO EVALUATING IMPORTANCE IN DESCRIPTIVE TEXTS" pptx

... rules; improving the goal matching techniques in order to implement a flexible mechanism for interpreting the content of encyclopedia frames according to the current goal; giving the evaluator the ... corresponding to concepts and propositions of the ELR, are assigned different importance values (integers) according to their relative importance in the text - i t is unusual, new, or abnormal in subject ... appropriate Such an approach allows taking into account in a flexible and natural way the variety of knowledge sources and processing a c t i v i t i e s that are involved in importance evaluation...

Báo cáo khoa học: "Structural Semantic Relatedness: A Knowledge-Based Method to Named Entity Disambiguation" potx

... N-gram is a named entity, we match it to the named entity list extracted using the openCalais API3, which contains more than 30 types of named entities, such as Person, Organization and Award; to ... Structural Semantic Relatedness measure In the end, we leverage the structural semantic relatedness measure for named entity disambiguation and evaluate the performance on the standard WePS data sets ... traditional named entity disambiguation methods can be classified into two categories: the shallow methods and the knowledge-based methods Most of previous named entity disambiguation researches adopt...

Báo cáo khoa học: "A Phonetic-Based Approach to Chinese Chat Text Normalization" ppt

... found in chat text, which makes chat text understanding fairly ambiguous because it is difficult to find out whether these terms are used as standard words or chat terms 2.2 Dynamic Chat text is ... Chinese characters within any Chinese corpus In chat language, any Chinese character can be used in chat terms, and phonetic mappings are applied to connect chat terms to their standard counterparts ... is deemed applicable to chat term normalization due to similar task nature In our case, SCM aims to find the character string C = {ci }i =1, 2, , n that the given input chat text T = {t i } j =1,2,...

Báo cáo khoa học: "A Constraint-based Approach to English Prosodic Constituents" pdf

... right away im c We took hˇ in right away im (14) a Martha told Noel the plot of Gravity’s Rainbow b.* Martha told Noel ˇ it ˇ to Noel c Martha told it Pronominal NPs can only form prosodic phrases ... full-mtr told, it DOM this, treasured, possession DTE (18) mkMtr ([told, it, [to Noel]]) = ¾ full-mtr ¾ ¶ lnr-mtr DOM DOM ¿ ¿ told, it · [to Noel] DTE DTE ˇ By contrast, examples of the form told ... special cases to be considered First, we have to allow that the head phrase is a single Prosodic Word such as possession, rather than a metrical tree Second, the prosodic structure to be built...

Báo cáo khoa học: "A KNOWLEDGE ENGINEERING APPROACH TO NATURAL LANGUAGE UNDERSTANDING" pot

... for experimentation in KE applied to Natural Language Understanding PRELIMINARIES FOR ENTERING RULES The basic tools that the language expert will need to enter into the system are a lexicon of ... analyzing the user's natural language input An example was presented to illustrate: entry of the user's lexicon into the system; entry of the user's natural language rule statements 143 into the system; ... explores the realm of a Knowledge Engineering a p p r o a c h to N a t u r a l L a n g u a g e Understanding A basic core of NL rules enable the NLU expert to input his natural language rules and...

Báo cáo khoa học: "A corpus-based approach to topic in Danish dialog∗" pptx

... the utterance Topic expressions were identiﬁed through a two-step procedure; 1) identifying topics and 2) determining the topic expressions on the basis of the topics First, the topic was identiﬁed ... representation of the topic, using criteria: The topic expression is the NP in the utterance that refers to the topic If no such NP exists, then the topic expression is the NP whose referent the topic is ... In syntactially complex utterances, the best representative of the topic was considered the one occurring in the clause most closely related to the topic In the following example, since the topic...

Báo cáo khoa học: "A Unification-based Approach to Morpho-syntactic Parsing of Agglutinative and Other (Highly) Inflectional Languages" doc

... descriptions, and classes of surface allomorphs The latter is a cross-classification of the paradigms according to phonological and graphemic properties of the surface forms Both verbal and nominal ... of handling compounding and adequate handling of derivational affixes Morpheme sequence recognition is achieved through the meta-dictionary Recent implementations of Humor 99 define the set of ... the linguistic tradition handling number and person combinations of Hungarian definite conjugation That is why it is very difficult to add new entries to the lexicons automatically in real NLP...

Báo cáo khoa học: "A Unification-based Approach to Morpho-syntactic Parsing of Agglutinative and Other (Highly) Inflectional Languages" ppt

Báo cáo khoa học: "A Corpus-Based Approach to Deriving Lexical Mappings" potx

... 40,397 tokens Both word and tag mappings were created in each direction ( P T B to C5 and C5 to PTB) To apply the tag mapping we simply used it to convert the assigned annotation from one tag-set to ... next step in this research shall be to extend our approach to map together dictionary senses The reported experiment using part of speech tags assumed a one -to- one mapping between tag sets and, ... does not consider tokens so, for example, the P T B to C5 tag mapping looks at each P T B tag in turn to find the C5 tag with which it occurs most frequently in the corpus The C5 to P T B mappings...

Báo cáo khoa học: "A CLASS-BASED APPROACH TO LEXICAL DISCOVERY" pdf

... interpretation T h e WordNet lexical database [Miller, 1990] provides one way to structure the space of noun classes, in order to make the search computationally feasible WordNet is a lexical/ conceptual ... at Princeton University Although I cannot judge how well WordNet fares with regard to its psycholinguistic aims, its noun taxonomy appears to have many of the qualities needed if it is to provide ... definition, noun classes that are "too small" or "too large" to be coherent are excluded, and the problem of search through an exponentially large space of classes is reduced to search within the WordNet...

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