English

In a very general context, communities in networks are defined as groups of nodes that have some common properties such that connections are stronger between the nodes in a community than with the nodes in the rest of the network. It is quite common for nodes to participate in multiple communities. Therefore a community detection algorithm for such applications should be able to detect overlapping communities. However, overlapping community detection is more computationally intensive than disjoint community detection and presents new challenges that algorithm designers have to face. Besides, the big data phenomenon with exabytes of data brings up datasets that take too long to analyze using even the fastest algorithms currently available. Fortunately, the amount of computing power available to researches also increases. This computing power usually comes structured as a number of cores, processors, or machines joined together to form a high performance computer, cluster or a supercomputer. In this paper we analyze what other researchers have done to utilize high performance computing to perform efficient community detection in social, biological, and other networks. We use the Speaker-listener Label Propagation Algorithm (SLPA) as the basis for our parallel overlapping community detection implementation. SLPA provides near linear time community detection and is well suited for parallelization. We explore the benefits of a multithreaded programming paradigm and show that it yields a significant performance gain over sequential execution in detecting overlapping communities.

The work explores the representation of socio cultural margins of caste and gender in Indian contexts in works of fiction written in various Indian languages in the twentieth century, taking representative samples from Hindi/Urdu, Bengali, Kannada, Malayalam and English. The focus of enquiry is the narrativization of these important cultural and political questions in representative texts of fiction. What are the socio political and cultural implications and underpinnings of the representation of marginalization in the medium and genre of fiction, what could be the politics, ethics and aesthetics of such narrating, how far such representations are subversive or consensual/complicit, what are the limitations and pitfalls of such intervening radicalism in fictional narration - all these questions are taken up in detail in the analyses. In the greater sense this study is also a critique of modernity and its discontents as it analyses the dialectics of modernity, its radical as well as reactionary aspects. A problematic premise of contextualizing the text and textualizing the context would also be prominent in the attempt. Fictional texts from five Indian languages including English (two texts from each language ) are incorporated in the study to ensure regional and linguistic representation within the limits of the availability of works in translation. Questions of class analytical perspectives in the context of Brahmanic patriarchy are explicated and critiqued. The need for a subaltern hermeneutics and the urgency of epistemological democratization are also discussed as a political and emancipatory outcome of the study. Both the formal as well as thematic concerns of the novel in the Indian languages are found to be shaped and determined by the material realities and associated attitudes and worldviews of caste and gender hierarchy emanating from internal imperialism. Though the ten texts chosen attempt intense critique of the gender question, the more profound and specific cultural question of caste evades comprehension and critical understanding. Caste often escapes as the un-representable in narration as it is in conversion.
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English translation of the songs and spirituals of Poykayil Appachan the early 20th century dalit leader of Kerala who organized the excluded under his 1910 movement called PRDS. Edited by V V Swamy and E V Anil and translated by Ajay Sekher. Published by Institute of PRDS Studies, Eraviperur, Tiruvalla, Kerala in 2008. Important song are given as preview here. Write to PRDS, Eravipueru, Tiruvalla, Kerala for the free book.

The first comprehensive anthology of Malayalam Dalit Poetry from Kerala. Published by Vikas Adhyayan Kendra, Mumbai.  Edited by M B Manoj and George K Alex and Translated into English by Ajay Sekher. Foreword by K M Sherrif and illustrated by Shashi Memury. Mumbai 2008. A few pages are given as highlights here.
vak@[email protected]      www.vakindian.org

Critical reading of Malayalam popular film Urumi by Santhosh Sivan. Critiques the representation of minor subjects and women in the popular Malayalam cinema and analyzes the politics of filmic images and narratives in the cultural context of Kerala. How the upper caste or Savarna Brahmanical Hindu elitist culture of Kerala fabricates its pseudo past in a glorified way is illustrated with the the analysis of the film that portrays the killing of Vasco de Gama by a Nair henchman. How Savarna elitism articulates its hegemonic claims on past and land in Kerala is explicated in the critique.

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