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Automatic discovery of feature sets for dependency parsing

This paper describes a search procedure to discover optimal feature sets for dependency parsers. The search applies to the shift–reduce algorithm and the feature sets are extracted from the parser configuration. The initial feature is limited to the first word in the input queue. Then, the procedure uses a set of rules founded on the assumption that topological neighbors of significant features in

A Replicated Study on Duplicate Detection: Using Apache Lucene to Search Among Android Defects

Context: Duplicate detection is a fundamental part of issue management. Systems able to predict whether a new defect report will be closed as a duplicate, may decrease costs by limiting rework and collecting related pieces of information. Goal: Our work explores using Apache Lucene for large-scale duplicate detection based on textual content. Also, we evaluate the previous claim that results are i

Practical approaches to channel estimation and interference suppression for OFDM based UWB communications

Ultra-wideband (UWB) communication is a potential technique for future high-speed networks. In this paper, we investigate low complexity signal detection approaches for OFDM based UWB systems. In particular, we develop practical approaches for channel estimation and interference suppression. Computer simulation results show that these techniques can be effectively used in OFDM based UWB systems fo

Students' communicative behaviour in a foreign language classroom

The purpose of this paper is to give a description of the communicativity in a foreign language classroom and also of students’ communicative behaviour. Since the beginning of the 80s communication has been widely discussed as one of the main features in instructed language learning. The focus on form, that traditionally has been dominant in the language classroom, was combined or even replaced by

Instagramupploppet visar att vi trots allt är på rätt väg

Tisdagens upplopp i Göteborg var en reaktion på en storskalig uthängning av oskyldiga ungdomar. Jag är ingen vän av pöbelvälde – men kan ändå se flera positiva spår i vad som hänt. Gårdagens händelser visar att det finns en allt större benägenhet att inte acceptera smutskastning på nätet. Utsatta ungdomar behöver stöd, inte moralkakor.

Space-Time LDPC with Layered Structure for MIMO Systems

In this paper, we incorporate the layered structure with low-density parity-check codes (LDPC) to develop a quasi-block diagonal LDPC space-time structure. The lower triangular structure of the parity check matrix introduces correlation between layers. In addition, each layer, as a part of the whole codeword, can be decoded while taking information from other undetected layers to improve the decod

From community planning to partnership planning. Urban regeneration and shifting power relations on the South Bank, London

This paper seeks to explain the persistence of inner-city deprivation in spite of sustained regeneration efforts, through demonstrating how urban regeneration policies are embedded in peculiar political-institutional power dynamics that actually contribute to the further disempowerment of the already disempowered groups in inner cities. The reconstruction of the post-war planning history of one sp