Ngày tải lên: 23/03/2014, 16:20
... involve an ar- bitrary number of (sub-)categories. The number of degrees of freedom of the χ 2 distribution is a func- tion of the number of children. χ 2 (w) = i∈{w,w} C∈Sub(N) (n C (i) − p(C)p(i)) 2 p(C)p(i) (5) To ... Pa¸sca. 2009. Latent vari- able models of concept-attribute attachment. In ACL- IJCNLP ’09: Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th Inter- national ... Beyond bag- of- words. In Proceedings of the 23rd International Conference on Machine Learning, Pittsburgh, Penn- sylvania, U.S., pages 977–984. 675 Proceedings of the 49th Annual Meeting of the Association...
Ngày tải lên: 07/03/2014, 22:20
Báo cáo khoa học: Molecular organization and force-generating mechanism of dynein pot
... [80] of the HC of axonemal dynein. Further strong support for a func- tional role of the Walker motif of AAA1 is provided by molecular dissection of cytoplasmic dyneins in which mutation of the ... after the cgs unit of force, the dyne [2]. Dynein is now known to consist of a functionally diverse family of proteins, the members of which are involved in a wide variety of essential cellular ... undergo a small amount of sliding displacement as a means of communication between the AAA core of the motor and the MTBD [91]. This hypothesis is further supported by the use of an expressed dynein...
Ngày tải lên: 14/03/2014, 22:20
Báo cáo khoa học: "Alternative Approaches for Generating Bodies of Grammar Rules" docx
Ngày tải lên: 23/03/2014, 19:20
Báo cáo khoa học: "Dynamically Generating a Protein Entity Dictionary Using Online Resources" pdf
Ngày tải lên: 31/03/2014, 03:20
Báo cáo hóa học: " Research Article Compact Visualisation of Video Summaries ´ c Janko Cali´ and Neill W. Campbell" ppt
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " FIXED POINT THEOREMS IN GENERATING SPACES OF QUASI-NORM FAMILY AND APPLICATIONS " pptx
Ngày tải lên: 22/06/2014, 22:20
Tài liệu Two-Page Summaries of Common Medical Conditions pptx
... affects the hip and is often felt in the front of the thigh as well as in the area of the hip joint. It is the most common cause of hip pain in patients over 50 years of age. Fairly steady pain ... important causes of lower back pain include cancer, infection, kidney stone, torsion of the testis (twisted testicle), or problems of the uterus or ovaries. About one half of cases of chronic ... difficult). • Biceps Tendinitis (tendinitis of biceps tendon). • Dislocation of the shoulder (ball-shaped head of the humerus comes out of its socket). • Separation of the shoulder (torn ligaments at...
Ngày tải lên: 19/02/2014, 08:20
Tài liệu Báo cáo khoa học: "Generating Fine-Grained Reviews of Songs From Album Reviews" doc
... produce summaries of reviews of individual songs. We present an intrinsic evaluation of the extraction components, and of the informativeness of the sum- maries; and a user study of the impact of the ... frequency of the j th sense of a i as given by Wordnet, and pos j is the positive score of the j th sense of a i , as given by SentiWordnet. Figure 7 shows an example of calculating the polarity of ... two intrinsic and one extrinsic: evaluation of the song title and feature extraction steps; evaluation of the informativeness of summaries; and a user study to judge how summaries affect decision making. 5.1...
Ngày tải lên: 20/02/2014, 04:20
Tài liệu Báo cáo khoa học: "Inducing Gazetteers for Named Entity Recognition by Large-scale Clustering of Dependency Relations" ppt
... for storing only a part of classes C l , i.e., 1/|P | of the parame- ter matrix, where P is the number of cluster nodes. This data splitting enables linear scalability of mem- ory sizes. However, ... and, in terms of execution speed, may 4 Acknowledgements: This corpus was provided by Dr. Daisuke Kawahara of NICT. 5 To be precise, we need two copies of these. 6 Each node has a copy of the training ... of a gazetteer and its effect. We think this is one of the important directions of future research. Parallelization has recently regained attention in the machine learning community because of...
Ngày tải lên: 20/02/2014, 09:20
Tài liệu Báo cáo khoa học: "Generating Impact-Based Summaries for Scientific Literature" docx
... Hovy. 2003. Automatic evalu- ation of summaries using n-gram co-occurrence statis- tics. In Proceedings of the 2003 Conference of the North American Chapter of the Association for Com- putational ... window of sentences a citation context, and use C to denote the union of all the citation contexts of d in a collection of research papers. Thus C itself is a set (more precisely bag) of sentences. ... know 1 http://www.nlm.nih.gov/bsd/history/tsld024.htm about the main content of a paper, but not necessar- ily the most influential content of the paper. Indeed, the abstract of a paper mostly reflects the expected impact of the paper as perceived...
Ngày tải lên: 20/02/2014, 09:20
Tài liệu Báo cáo khoa học: "Robust Extraction of Named Entity Including Unfamiliar Word" doc
... Extraction of Japanese Named Entity 2.1 Task of the IREX Workshop The task of NE extraction of the IREX workshop (Sekine and Eriguchi, 2000) is to recognize eight NE types in Table 1. The organizer of ... 2003; Nakano and Hirai, 2004) formalized the task of extracting NEs as a chunking problem of a sequence of characters instead of a sequence of morphemes. In this paper, we keep the naive formal- ization, ... experiments of extracting Japanese named entities from IREX corpus and NHK corpus show the effective- ness of the proposed method. 1 Introduction It is widely agreed that extraction of named entity (henceforth,...
Ngày tải lên: 20/02/2014, 09:20
Tài liệu Báo cáo khoa học: "In-Browser Summarisation: Generating Elaborative Summaries Biased Towards the Reading Context" doc
... assumption about the nature of the reading con- text. Instead of taking the anchor text as an indicator of the user’s information need, it assumes that the top n themes of the reading context document ... independently of the reading context. 4.1 Data The data used is a collection of Wikipedia articles obtained automatically from the web. The snap- shot of the corpus was collected in 2007. Of these, links ... the underlying task of the user — for an overview of summarisation scenarios see Spark Jones (1998). For example, generic (that is, not query-specific) summaries, which are often in- dicative,...
Ngày tải lên: 20/02/2014, 09:20
Tài liệu Báo cáo khoa học: "Improving the Scalability of Semi-Markov Conditional Random Fields for Named Entity Recognition" pdf
... label of a named entity is “O”, which indicates a non-named entity. For 98.0% of the named entities in the training data of the shared task in the 2004 JNLPBA, the label of the preced- ing entity ... label of the preceding entity, the model can be solved without approximation. 4 Reduction of Training/Inference Cost The straightforward implementation of this mod- eling in semi-CRFs often results ... N is the length of sentence and K is the size of label set. And that of training in first order semi-CRFs is O(K 2 LN). The increase of the cost is used to transfer non-adjacent entity information. To...
Ngày tải lên: 20/02/2014, 12:20
Báo cáo khoa học: "Joint Inference of Named Entity Recognition and Normalization for Tweets" doc
... Here is an example of a tweet: “my- craftingworld: #Win Microsoft Of ce 2010 Home and Student #Contest from @of ce http://bit.ly/ ··· ”, where “mycraftingworld” is the name of the user who published ... transformed as follows. Given each pair of entity mentions, decide whether they denote the same entity. Once this is achieved, we can link all the mentions of the same entity, and choose a representative ... mention of entities of predefined types for each tweet; and 2) to restore each entity mention into its unambiguous canonical form. Following Liu et al. (2011), we focus on four types of entities,...
Ngày tải lên: 07/03/2014, 18:20
Báo cáo khoa học: "Automatic Acquisition of Named Entity Tagged Corpus from World Wide Web" pot
... different processes: sep- aration of functional words, segmentation of com- pound nouns, and verification of the usefulness of the extracted sentences. An NE is often concatenated with more than ... Part- Of- Speech Tagging of Korean. Computational Lin- guistics, 28(1):53–70. Manabu Sassano and Takehito Utsuro. 2000. Named Entity Chunking Techniques in Supervised Learning for Japanese Named Entity ... Jour- nal of Korean Information Science Society, 24(8):900– 909. GuoDong Zhou and Jian Su. 2002. Named Entity Recognition using an HMM-based Chunk Tagger. In Proceedings of the 40th Annual Meeting of...
Ngày tải lên: 08/03/2014, 04:22
Báo cáo khoa học: Use of biomolecular templates for the fabrication of metal nanowires ppt
... formation of ordered metallic assemblies at the nano-scale have involved the strepavidin protein array of a 2D array of biotinylated DNA, followed by metallization of the array [17]. Use of the ... 319 MINIREVIEW Use of biomolecular templates for the fabrication of metal nanowires Ehud Gazit Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences, ... application of these wires was recently demonstrated for the fabrication of electrodes for thin lithium-ion batteries [38]. The binding of gold to the viruses followed by reduction of the cobalt...
Ngày tải lên: 16/03/2014, 12:20
Báo cáo khoa học: "Correlation between ROUGE and Human Evaluation of Extractive Meeting Summaries" pptx
... have 36 hu- man summaries and 24 system summaries for the 6 meet- ings in our study. For each of the human summaries, the ROUGE scores are generated using the other 5 hu- man summaries as references. ... extension of those used in (Murray et al., 2005) for human evaluation of meeting summaries. The additional ones we added were designed to account for the discussion flow in the meetings. Some of the ... human evaluation of extractive meeting summaries and focus on two issues specific to the meet- ing domain: disfluencies and multiple speakers. Both human and system generated summaries are used....
Ngày tải lên: 17/03/2014, 02:20
Báo cáo khoa học: "Incorporating speech recognition confidence into discriminative named entity recognition of speech data" ppt
... distinguish words of a class from words of other classes. For NER, we used an SVM-based chunk annotator YamCha 2 0.33 with a quadratic kernel (1 + x · y) 2 and a soft margin parameter of SVMs C=0.1 ... tokenized using ChaSen. The vocabulary size of the word 3-gram model was 426,023. The test-set perplexity over the text corpus was 76.928. The number of out- of- vocabulary words was 1,551 (0.587%). ... Compar- isons of NE surfaces did not include differences in word segmentation because of the segmentation ambiguity in Japanese. Note that NER recall with ASR results could not exceed the rate of the...
Ngày tải lên: 17/03/2014, 04:20
Bạn có muốn tìm thêm với từ khóa: