Tài liệu Báo cáo khoa học: "Untangling Text Data Mining" ppt

... consider to be reM text data mining efforts and briefly outline recent ideas about how to pursue exploratory data analysis over text. 1 Introduction The nascent field of text data mining (TDM) ... it produces a 4 Finding Patterns Non-textual data standard data mining Textual data computational linguistics Finding Nuggets Novel I Non-Novel ? database queries rea...

Ngày tải lên: 20/02/2014, 18:20

... (2005; 2006) use a textual representation of words by collating all the glosses of the word as found in some dictionary. Then, a binary text clas- sifier is trained using the textual representation ... Subjectivity analysis is the task of identifying text that present opinions as op- posed to objective text that present factual in- formation (Wiebe, 2000). Text could be either words, p...

Ngày tải lên: 20/02/2014, 04:20

... dumps we produced two datasets. Dataset A captures cross-lingual interwiki links between pages, in total 77.07 million undirected edges (146.76 million original links). Dataset B additionally ... Web Data Mining, WSDM 2009, pages 94–103. ACM. S ¨ oren Auer, Chris Bizer, Jens Lehmann, Georgi Kobi- larov, Richard Cyganiak, and Zachary Ives. 2007. DBpedia: a nucleus for a web of open data. .....

Ngày tải lên: 20/02/2014, 04:20

... concepts for each class. 4 Experiment 4.1 Datasets We evaluate our proposed algorithm on two datasets with hierarchical category structure. WIPO-alpha dataset The dataset 1 consisted of the 1372 training ... quite effective in tra- ditional text classification applications. In past serval years, hierarchical text classification has become an active research topic in database area (Koller an...

Ngày tải lên: 20/02/2014, 05:20

... works. The tools used for accessing relevant information, such as CD-ROM dictionaries, text databases, and text retrieval software, however, often require user actions that may seriously interrupt ... English. 1. Introduction When creating text using word processing software on a personal computer, it is common to refer to books or documents relevant to the text, including va...

Ngày tải lên: 20/02/2014, 18:20

... structure of text is an essential task in text understanding, especially in resolving anaphora and ellipsis. One of the constituents of the text struc- ture is a text segment. A text segment, ... This paper proposes a new indicator of text struc- ture, called the lexical cohesion profile (LCP), which locates segment boundaries in a text. A text segment is a coherent scen...

Ngày tải lên: 20/02/2014, 21:20

... portion of the text already generated. Even if the system realizes that the follow-up question refers back to the original text, it cannot plan a text to clarify a part of the text, as it no ... explicit representation of the rhetorical structure of the texts it generates. We present a text planner that builds a de- tailed text plan, containing the intentional, attentiona...

Ngày tải lên: 21/02/2014, 20:20

... graphic -text and scene text, body movements, gestures, shots (with foreground and background distinction) and keyframe-regions are identified and included in COSMOROE relations. All visual data have ... or using it as train- ing data for semantic multimedia processing applications, and • it will allow interfacing with semantic lexical resources, computational lexicons, text pro- cessi...

Ngày tải lên: 22/02/2014, 02:20

... rules with different context information are used successively for solving different prob- lems. We will use the same context information for all data. The optimal context size will be determined ... by comparing the results of different context sizes on the training data. Here we will perform four steps. We will start with testing dif- fhrent context sizes of words with their part-o...

Ngày tải lên: 22/02/2014, 03:20

... Single nucleotide polymorphism infor- mation is derived from the Single Nucleotide Poly- morphism Database (http: ⁄⁄www.ncbi.nlm.nih.gov ⁄ projects ⁄ SNP ⁄ ). Conclusions Recent studies provide ... expression and their roles in cell signaling that have not been addressed in a cardiovas- cular context in the accompanying minireviews [11,16]. Cardiac development One approach for studying the .....

Ngày tải lên: 14/02/2014, 19:20