local and global algorithms for disambiguation to wikipedia

... 19-24, 2011. c 2011 Association for Computational Linguistics Local and Global Algorithms for Disambiguation to Wikipedia Lev Ratinov 1 Dan Roth 1 Doug Downey 2 Mike Anderson 3 1 University of Illinois ... hyperlinks to t are similar to m’s context in d. For each Wikipedia title t, we construct a top- 200 token TF-IDF summary of the Wikipedia page t, which we denote as T ext(t) and a top-200 to- ken ... disambiguation. 7 Conclusions We have formalized the Disambiguation to Wikipedia (D2W) task as an optimization problem with local and global variants, and analyzed the strengths and weaknesses of each. Our...

Ngày tải lên: 17/03/2014, 00:20

... Student Session, pages 6–11, Portland, OR, USA 19-24 June 2011. c 2011 Association for Computational Linguistics Sentence Ordering Driven by Local and Global Coherence for Summary Generation Renxian ... grouped according to their conceptual relatedness before being ordered on two levels: group-level ordering and sentence-level ordering, which capture global coherence and local coherence in ... identification and interpretation are conflated to sentence selection and concerned with summary informativeness. In comparison, summary generation addresses summary readability and a frequently...

Ngày tải lên: 23/03/2014, 16:20

... lexicalized parser for specific disambiguation problems like RC and PP is quite high compared to recent results for stand-alone PP disambigua- tion. For example, (Toutanova et al., 2004) achieve a performance ... (above) and low attachment (below) for Example 1. Table 3 shows queries and mutual informa- tion values for Example 1. The highest values are 12.2 for high attachment (mechanism) and 3 for low ... techniques and wordnet hierarchies. In 4th Discourse Anaphora and Anaphora Resolu- tion Colloquium. Kristina Toutanova, Christopher D. Manning, and Andrew Y. Ng. 2004. Learning random walk models for...

Ngày tải lên: 20/02/2014, 12:20

... random fields for relational learning. In Lise Getoor and Ben Taskar, editors, Introduction to Statistical Relational Learning. MIT Press. Paul Taylor. 2005. Hidden Markov Models for grapheme to ... update weights according to Equation 3. To find the n-best answers, we modify the HMM and monotone search algorithms to keep track of the n-best phonemes at 909 Maximilian Bisani and Hermann Ney. 2002. ... weight vector, α n is the new weight vector, and (y, ˆy) is the loss function. Since our direct objective is to produce the cor- rect phoneme sequence for a given word, the most intuitive way to define...

Ngày tải lên: 08/03/2014, 01:20

... for Pronunciation by Analogy (PbA) (Marchand and Damper, 2005) on the same corpus. Marchand and Damper reported a processing time of several hours for c4), two days for c2) and several days for ... integrated with an automatic alignment procedure. We therefore first aligned letters and phonemes in a separate, semi-automatic step. Each letter was aligned with zero to two phonemes and, in the integrated ... is that German syllables can be very long and therefore sparse, often causing the model to back- off to smaller contexts. If the context is too small to cover the syllable, the model cannot decide...

Ngày tải lên: 17/03/2014, 04:20

... designed to understand coherent natural language texts. First, they make too heavy and rigorous use of predetermined knowledge schemes relating to the subject matter of texts and to the organization ... directive dialogues, and still more concretely, the mechanisms needed to understand interactions which present requests and orders in such dialogues, on the one hand, and the possible reactions, ... processes and decision makings of human understanders. We do not want to claim that global schemes are not needed at all in discourse understanding. But there is a theoretical and empirical...

Ngày tải lên: 18/03/2014, 02:20

... Association for Computational Linguistics Towards Developing Generation Algorithms for Text -to- Text Applications Radu Soricut and Daniel Marcu Information Sciences Institute University of Southern California 4676 ... operator. Vertices to and to result from the expansion of the two operators, respectively. These latter ver- tices are also shown to have rank 1, as opposed to rank 0 (not shown) assigned to all ... other hand, for intersecting an IDL-expression (sequence of words) with a trigram lan- guage model, we have , , and , and therefore an generation algorithm. In general, for IDL-expressions for which...

Ngày tải lên: 31/03/2014, 03:20

... Qualitative and quantitative analysis for solutions to a class of Volterra-Fredholm type difference equation. Advances in Difference Equations 2011 2011:30. Submit your manuscript to a journal and benefi ... necessary to study their qualitative and quantitative properties such as boundedness, uniqueness, and continuous dependence on initial data. T he Gronwall-Bellman inequality [5,6] and its various ... generalized inequalities (for example, see [7-16] and the references therein) have been established in the literature including the known Ou-lang’s inequality [7], which provide handy tools in the study...

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Ngày tải lên: 10/08/2014, 05:21

... discrimination and human rights violations, to address structural and economic barriers to health, and to promote access to global public goods and essential interventions. 5 The shift towards global ... strategy for indicators and benchmarks, helping donors and governments to monitor progress. Amnesty International has committed to “advocate for equal and timely access to reproductive health-care ... mechanisms and processes to track progress must also be improved and harmonized for accountability to be strengthened. To assess how Global Strategy stakeholders are supporting monitoring and evaluation...

Ngày tải lên: 12/02/2014, 12:20

... deans and schools of nursing and is able to offer information, support, and advice to healthcare policy makers and nurse educators across the world. GANES works in partnership with global and ... colleague organizations to alert their policymakers and stakeholders to the need for robust and stable funding for nursing education as an effective mechanism for advancing global health. Endorsed ... was not sufficient to meet the projected demand and that reforms were needed within the education and clinical environments to ensure that nurses are trained, retained, and supported. In 2010...

Ngày tải lên: 14/03/2014, 21:20

... estimate the global water saving at 352×10 9 m 3 /yr, of which 63% related to international trade in cereals and cereal products, 19% to oil crops, 13% to livestock products and 5% to pulses and other ... and Hung, 2002). The water footprint of the Dutch community for example also refers to the use of water for rice production in Thailand (insofar as the rice is exported to the Netherlands for ... Nine reasons for global arrangements in order to cope with local water problems A.Y. Hoekstra – July 2006 21. The water footprints of Morocco and the Netherlands A.Y. Hoekstra and A.K. Chapagain...

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