Báo cáo khoa học: "Refining Event Extraction through Cross-document Inference" pot

... pro- vided for each event type. 2 Task and Baseline System 2.1 ACE Event Extraction Task The event extraction task we are addressing is that of the Automatic Content Extraction (ACE) evalu- ations 2 . ... of event mentions which is gradually updated. Figure 1. Cross-doc Inference for Event Extraction 4.2 Within-Sentence Event...

Ngày tải lên: 23/03/2014, 17:20

... argument roles of events from texts. The model takes in coarse mention and type information and predicts argument roles for a given event template. This paper addresses the event extraction problem ... VEH TIME-WITHIN TME March Figure 1: The partial event template for the Attack event (left), and the correct event template annotation for the example event span given in Sec 1 (ri...

Ngày tải lên: 30/03/2014, 17:20

... per- formance. This research is potentially very important in applications in which the time course of events is to be extracted from news. For example, whether two events overlap or are in sequence ... learning event durations. 3.1 Local Context For a given event, the local context features in- clude a window of n tokens to its left and n to- kens to its right, as well as the even...

Ngày tải lên: 20/02/2014, 12:20

... presents an effective approach for resume information extraction to support automatic resume management and routing. A cascaded information extraction (IE) framework is designed. In the first ... certain blocks. Moreover, for different types of information, the most appropriate extraction method is selected through experiments. For the first pass, since there exists a strong se...

Ngày tải lên: 20/02/2014, 15:20

... Integrating Information Extraction and Automatic Hyperlinking Stephan Busemann, Witold'UR G \ VNL Hans-Ulrich ... mapped into a domain ontology that relates concepts to a selection of hyperlinks. For information extraction, we use SProUT, a generic platform for the develop- ment and use of multilingual text ... pro- cessing efficiency and a high degree of decal- rativeness. Th...

Ngày tải lên: 20/02/2014, 16:20

... for disambiguation encourages the emergence of competing systems (such as word order). The hypothesis is substantiated through com- putational experiments that reconstruct three dif- ferent variants of ... ei- ther be ‘+’ or ‘–’, or left unspecified through a variable (indicated by a question mark). The two variables ?nom and ?acc indicate that die can potentially be assigned nominative or...

Ngày tải lên: 22/02/2014, 03:20

... AKAP150 coordinates suppression of current through M-type channels in response to muscarinic receptors [15–17]. M channels allow the passage of potassium ions through the plasma membrane, and sup- pression ... receptors through its binding with synapse- associated protein 97 [11–13]. This complex permits the robust phosphorylation of AMPA receptors by PKA at key residues that enhance th...

Ngày tải lên: 06/03/2014, 22:21

... the first level, event mentions , on the second level, individ- uated events , and on the third level, generic events . In particular, the event hierarchy corresponding to the event mentions annotated ... con- sider that two event mentions are coreferential if they have the same event properties and share the same event participants . For instance, the sen- tences from Example 1 en...

Ngày tải lên: 07/03/2014, 22:20

... second step verifies them through termhood measures (Kageura and Umino, 1996) to validate their domain specificity. Many previous studies are conducted on term candidate extraction. Other tasks ... such as named entity recognition, meaningful word extraction and unknown word detection, use techniques similar to that for term candidate extraction. But, their focuses are not on do...

Ngày tải lên: 08/03/2014, 01:20

... Mark Last. 2008. Graph-based key- word extraction for single-document summarization. In Proceedings of the Workshop on Multi-source Mul- tilingual Information Extraction and Summarization, pages ... real-time event detection by social sensors. In Proceedings of the 19th International World Wide Web Conference. Takashi Tomokiyo and Matthew Hurst. 2003. A lan- guage model approach to keyp...

Ngày tải lên: 17/03/2014, 00:20