fast unification with negation

... HORN EXTENDED FEATURE STRUCTURES: FAST UNIFICATION WITH NEGATION AND LIMITED DISJUNCTION t Stephen J. Hegner Department of Computer Science ... there is a highly tractable algorithm for the unification of HoXF's. 1. PRELIMINARY CONCEPTS 1.1 Unification- based grammar formalisms Unification- based grammar formalisms constitute ... not yet actually part of it. The root node is denoted by ®, and nodes with value T are denoted with a Note that paths with common virtual end labels (e.g., AA and B) are not coalesced; virtual...

Ngày tải lên: 22/02/2014, 10:20

... (lender Figure 3: A unification example. The unification algorithm is shown in Fig- ure 4 and Figure 3 illustrates its application to a concrete example of two successive unifications. Copying ... Comparison with other Approaches Karttunen's Reversible Unification [Karttunen 86] does not use structure sharing at M1. A new DG is copied from the modified arguments after success- ful unification, ... substructures associated with the imme- diate daughter and mother categories. With re- spect to the overall structure that serves as the re- sult of a parse, these unifications of substructures...

Ngày tải lên: 17/03/2014, 08:20

... past tenses associated with the BEFORE class and fu- ture tenses associated with the AFTER class (in- cluding the conditional forms of verbs). Infini- tives are mostly associated with the AFTER class, and ... if it is faster to translate the original text than it is to annotate new text (this can be the case if the annotations are semantic and complex); b) the annotations can be transposed without ... For task B, Weka’s functions.SMO produced better results with the Portuguese data than rules.DecisionTable, the best per- forming classifier with the English data for this task. In task C, the SVM...

Ngày tải lên: 23/03/2014, 16:20

... A Sneaky Backdoor In to Google FAST With Free Press Releases! Plus an ‘extra’ SEO (Search engine optimization) Resource below. ... I did with “Soap Making Secrets” which was actually a mistake on my part. 1 have spoken to Costa on the phone and he’s a great guy and very helpful – I highly recommend his report with ... what I ended up with. It’s no less than AMAZING! Once again, I am still in the testing stages and you are more than welcome to use it yourself and see what you come up with. However, in...

Ngày tải lên: 23/10/2013, 01:15

... A Sneaky Backdoor In to Google FAST With Free Press Releases! Plus an ‘extra’ SEO (Search engine optimization) Resource below. ... Here is an example of recent Press release I did with “Soap Making Secrets” which was actually a mistake on my part. 1 what you come up with. However, in order to get the most out of this ... what I ended up with. It’s no less than AMAZING! Once again, I am still in the testing stages and you are more than welcome to use it yourself and see what you come up with. However, in...

Ngày tải lên: 24/01/2014, 20:20

... to understand. Parsing with term-based internal representations is more efficient than parsing with graph-based representations. Therefore, it is effective to translate unification grammar formalism ... represents a disjunct. 3.2 Unification by Logical Constraint Transformation Unification of DFSs corresponds to logical constraint satisfaction. For example, the unification of DFSs p(X) and ... D6rre and Andreas Eisele. 1990. Feature logic with disjunctive unification. In COLING-90, vol- ume 2, pages 100-105. A. Eisele and J. D6rre. 1988. Unification of disjunctive feature descriptions....

Ngày tải lên: 20/02/2014, 18:20

... realistic, complex unification- based gram- mars: in particular, with grammars admitting less ambiguity parse time will tend to increase more slowly with increasing input length, and also with smaller ... given point with rules with the same number of daughters, the packed sequences can be formed into higher-level constituents as they stand without further processing. However, in the unification ... made. Other research directed towards improving the throughput of unification- based parsing sys- tems has been concerned with the unification oper- ation itself, which can consume up to 90% of...

Ngày tải lên: 20/02/2014, 21:20

... processed in a unification- based framework with large-coverage gram- mars and how from their usage lexi- cal entries are extracted. To keep the time and space usage during parsing within bounds, ... acquired lexical entries, and the efficiency with which parsing with unknown words takes place. We have already discussed where the ambiguity arises with unknown words. One of the goals that we ... importance of the problem. For unification- based implementations, which often refer to linguistic theories and are therefore rich in information, one approach to deal with un- known words has been...

Ngày tải lên: 17/03/2014, 22:20

... RNA blot was first hybridized with a human OCT1 probe. Without stripping, the blot was then hybridized with a GAPDH probe to determine RNA loading. M. Bach et al. Fast set-up of inducible protein ... site region. With pEBTetD, the copy number of OCT1h mRNA was reduced as compared with pEBTet by a factor of nine in the on-state and by a factor of 26 in the off-state (Table 1). With pEBTetD, ... off-state was much lower with pEBTetD than with pEBTet. How- ever, in contrast to expression of membrane proteins, the level of expression of cytosolic eGFP in the on-state was higher with pEBTet. It...

Ngày tải lên: 23/03/2014, 09:21

... very fast online training of the parameters, even given large-scale datasets with high dimensional features. Compared with existing training methods, our training method is an order magnitude faster ... magnitude faster compared with exiting learning methods, and can achieve equal or even higher accuracies. The contribution of this work is as follows: • We propose a general purpose fast online training ... speed is much faster than the SGD training method. The ADF method can achieve empirical optimum in only a few passes, yet with better segmentation accuracies than the SGD training with 50 passes. To...

Ngày tải lên: 23/03/2014, 14:20

... look-ahead meth- ods with Moses in four scenarios: the best possi- ble translation, the fastest possible translation with- out performance constraint and the fastest possible translation with no more ... on a logarithmic scale. We compare Moses with our approach without LM look- ahead and LM score pre-sorting (baseline), with added LM pre-sorting and with either first-word or phrase-only LM look-ahead ... (#LM) with respect to LM pre-sorting, first- word LM look-ahead and phrase-only LM look-ahead on newstest2009. Speed is given in words per second. Results are given with (N o = 100) and without...

Ngày tải lên: 23/03/2014, 14:20

... and 2b: a. Fmd a lexical stem which unifies with the pivot, making sure Coy checking with the reachability table) that the FS resulting from the unification can be linked through seman- tic ... non-deterrolni~m, a potential pitfall for all unification- based systems. In parsing, the result may be long processing limes, but when generating with algorithms of this class, the consequence ... Dordrecht: Foris. Johnson, R. and M. Rosner (1989) "A Rich Environment for Experimentation with Unification Grammars". Proceedings of the Fourth Conference of the European Chapter of...

Ngày tải lên: 24/03/2014, 02:20

... the problem of updating mention ratios by unification, without resorting to statements like Df is Di + 1. This can be done by replacing numbers with lists of the appropriate length, so that ... which efficiency (i.e. fast generation of texts) is a prior- ity. This paper proposes a method that allows effi- cient generation of referring expressions, through a unification grammar, at ... Proceedings of EACL '99 Generating referring expressions with a unification grammar Richard Power Information Technology Research Institute University of...

Ngày tải lên: 24/03/2014, 03:20

... 3 CHAPTER 1 Introduction to FAST Search Server 2010 for SharePoint After completing this chapter, you will be able to  Understand the roots of FAST Search & Transfer and FAST Enterprise Search. ... FS4SP.  Compare and choose the FAST product that best ts your business needs. This chapter provides an introduction to FAST, and specically to Microsoft FAST Search Server 2010 for SharePoint ... organization can impact you in the future. What Is FAST? FAST is both a company and a set of products focused on enterprise information retrieval. FAST and its products were purchased by Microsoft...

Ngày tải lên: 28/04/2014, 17:12

... ] Finally, we can select the folder within the Start menu (on the desktop) where we want TYPO3 to be available. The default is TYPO3 4.0.1. If we are happy with this, we can just click on Install; ... 61 Manual Installs 61 All Installs 62 Summary 62 Building Websites with TYPO3 A practical guide to getting your TYPO3 website up and running fast Michael Peacock BIRMINGHAM - MUMBAI Chapter 2 [ 21 ] This ... is that the software comes with no warranty. Full details on the license can be found here: http://www.fsf.org/licensing/ licenses/gpl.html. What can TYPO3 Do for Us? With TYPO3 we can quickly...

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