current issues in biomedical text mining and natural language processing

... information resource, it is increasingly being used as training data in Nat- ural Language Processing (NLP) tasks. There are many advantages to creating a corpus from web data rather than printed ... testing set is corrupted (using wrong con- fusion words), a system that trained on both the training and testing sets outperformed the system that only trained on the training set. The Winnow Semi-Supervised ... Keller and Lapata (2003) estimating that over 98 billion words were indexed by Google in 2003. The performance of NLP systems tends to im- prove with increasing amount of training data. Banko and...

Ngày tải lên: 17/03/2014, 22:20

Ngày tải lên: 01/04/2014, 00:20

... vomiting, abdominal cramping and bloating, mucositis, and paralytic ileus. Several antineoplastic agents such as fluorouracil, adriamycin, methotrexate, and cisplatin may induce severe gastrointestinal complications. 80 Enterocytes ... CRF may be involved in triggering changes in gastrointestinal motility observed during stress exposure. CRF may induce delayed gastric emptying and gastric stasis that are observed in cancer patients, ... by inhibiting prostaglandin production by the rate-limiting enzymes known as cyclo- oxygenases, COX-1 and COX-2. The recent discovery and introduction into clinical practice of selective inhibitors...

Ngày tải lên: 15/02/2014, 04:20

Ngày tải lên: 30/03/2014, 23:20

Ngày tải lên: 17/03/2014, 00:20

... trend appears to be towards increasing disability, particularly among women (Bloom, Nandakumar and Bhawalkar 2000). The main argument linking declining disability with increased longevity is the ... Asia and Africa (Mason et al. 2001 and references cited therein; Ogawa and Retherford 1997 and references cited therein; Oshomuvwe 1990; Vanlandingham et al. 2001 and references cited therein; ... decline in intergenerational co-residence in a number of Asian countries. On the other hand, increasing life expectancies can serve to enhance the 13 It is worth taking a step back and noting...

Ngày tải lên: 22/03/2014, 13:20

... suspected of having committed, or intimidating or coercing him or a third person for any reason based on discrimination of any kind, when such pain or suf- fering is inflicted by or at the instigation ... concentric pattern of PTSD and depression was discovered. Both invariant and changing variables were predictive of PTSD, including being directly affected, being Latino, being female, peri-event ... elaborate, offering more and more alternative forms of care and comfort. St. Paul’s Chapel, for example, retained its church atmosphere, with its soft lighting and pews featuring tissues and prayers...

Ngày tải lên: 22/03/2014, 18:20

Ngày tải lên: 23/03/2014, 23:20

... children can engage in inquiry, the processes of wondering, questioning, exploring, investigating, discussing, reflecting, and formulating ideas and theories (e.g., Kuhn, 2010). Indeed, Emergence ... cycles of mind and brain: Analyzing developmental pathways of learning disorders. In K. W. Fischer, J. H. Bernstein, & M. H. Immordino-Yang (Eds.), Mind, brain and education in reading disorders ... scientific thinking is the set of cognitive and metacognitive skills involved in differentiating and coordinating theory and evidence. Kuhn argues that the effective coordination of theory and evidence...

Ngày tải lên: 29/03/2014, 11:20

Ngày tải lên: 14/08/2014, 14:21

Ngày tải lên: 24/08/2014, 11:25

... chaining Inferencer Is then called to generate any ~nown preconditions for the act INGEST. The primary precondition (causative inference) for drinking is that the person doing the drinking ... establishing containment, since wine is known to be OUTPUTFROM bottles but bottles are not always assumed to hold wine. Another inference made during the initial analysis finds the ... completes the linking of tne causal chain between tne events described in the sentence. Second, it causes the filling of empty slots appearing in either the enabled act or In the enabling act, wherever...

Ngày tải lên: 21/02/2014, 20:20

... for manipulating data. Objects can be classified into classes and instances. A class defines a procedure [called a method) for handling incoming messages of its instances. A class inherits methods ... other issues such as, resolving ambiguity, resolving task-dependent reference, filling task-dependent ellipsis, or inferring the speaker's intention, cannot be solved solely by the linguistic ... R. C. Dynamic Memory: A Theory of Reminding and Learning in Computers and Peaple. Cambridge University Press, 1982. 221 How about other cases? In principle, this work is based on Montague's...

Ngày tải lên: 21/02/2014, 20:20

... Algorithm for Incremental Singular Value Decomposition in Natural Language Processing Genevieve Gorrell Department of Computer and Information Science Link¨oping University 581 83 LINK ¨ OPING Sweden gengo@ida.liu.se Abstract An ... sys- tem has seen dur ing training, it will invari- ably see something new at ru n-time in a do- main of any complexity. Any approach to au- tomatic natural language processing will en- counter ... pairs from text. 1 Introduction Dimensionality reduction techniques are of great relevance within the field of natural lan- guage processing. A persistent problem within language processing is the...

Ngày tải lên: 22/02/2014, 02:20

... annotations from the window of the text. The Annotation Librarian simplified the task of determining co-location by providing the functionality within a sin- gle method call. Text between two Annotation ... supported using resources and facil- ities at the VA Salt Lake City Health Care System with funding support from the VA Informatics and Computing Infrastructure (VINCI), VA HSR HIR 08-204 and the ... name combinations, and even name and dose combinations. The span overlap methods were used to identify and combine overlapping names. Figure 5 shows the annotations that were found and resolved...

Ngày tải lên: 17/03/2014, 00:20

... clash (i~f =t ipf) and finally H~pf has to be bound to the projection binding Azw.z, since the imitation binding Azw.ipf is not -~pf-monochrome. Collecting the bindings, we arrive at the ... symbols in a(xc) d ~ c in propositional logic. Thus X.d can be instantiated with any coloured formula that does not contain the colour d. The binding Azw.i~of, since the projection binding ... generated. 4.4 Interaction of constraints Perhaps the most convincing way of showing the need for a theory of colours (rather than just an in- formal constraint) is by looking at the interaction...

Ngày tải lên: 17/03/2014, 09:20

... avoid false implication of a finished topic. These two guidelines for changing and maintaining focus during the process of generating language provide an ordering on the three basic legal ... starting to talk about something introduced in the last sentence (current- focus is a member of potential-focus-list of the previous sentence) and 2) continuing to talk about the same thing (current ... generation of natural language requires consideration of two different types of problems: i) determining the content and textual shape of what is to be said, and 2) transforming that message into...

Ngày tải lên: 17/03/2014, 19:21

... natural language parsing methods, including ATN, LR parsing, categodal grammar and principle- based parsing. The relationship between the graph- structured stack and a chart in chart parsing ... parsing table; at run time, shift and reduce actions operating on the stack are deterministically guided by the parsing table. No backtracking or search is involved, and the algodthm runs in ... stack was introduced in the Generalized LR parsing algorithm [7, 8] to handle nondeterminism in LR parsing. This paper extended the general idea to several other parsing methods: ATN, principle-based...

Ngày tải lên: 17/03/2014, 20:20