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In this article, we investigate the structure of Croatian linguistic co-occurrence networks. We examine the change of network structure properties by systematically varying the co-occurrence window sizes, the corpus sizes and removing…

计算与语言 · 计算机科学 2014-05-20 Domagoj Margan , Sanda Martinčić-Ipšić , Ana Meštrović

Every speech signal carries implicit information about the emotions, which can be extracted by speech processing methods. In this paper, we propose an algorithm for extracting features that are independent from the spoken language and the…

音频与语音处理 · 电气工程与系统科学 2018-11-26 Fatemeh Noroozi , Marina Marjanovic , Angelina Njegus , Sergio Escalera , Gholamreza Anbarjafari

In probabilistic approaches to classification and information extraction, one typically builds a statistical model of words under the assumption that future data will exhibit the same regularities as the training data. In many data sets,…

机器学习 · 计算机科学 2013-01-07 David Blei , J Andrew Bagnell , Andrew McCallum

Summarization is a way to represent same information in concise way with equal sense. This can be categorized in two type Abstractive and Extractive type. Our work is focused around Extractive summarization. A generic approach to extractive…

信息检索 · 计算机科学 2017-05-19 Chandra Shekhar Yadav , Aditi Sharan

We present an end-to-end, multimodal, fully convolutional network for extracting semantic structures from document images. We consider document semantic structure extraction as a pixel-wise segmentation task, and propose a unified model…

计算机视觉与模式识别 · 计算机科学 2017-06-09 Xiao Yang , Ersin Yumer , Paul Asente , Mike Kraley , Daniel Kifer , C. Lee Giles

Automated multi-document extractive text summarization is a widely studied research problem in the field of natural language understanding. Such extractive mechanisms compute in some form the worthiness of a sentence to be included into the…

计算与语言 · 计算机科学 2019-12-30 Abhishek Kumar Singh , Manish Gupta , Vasudeva Varma

Keyphrase extraction is the task of finding several interesting phrases in a text document, which provide a list of the main topics within the document. Most existing graph-based models use co-occurrence links as cohesion indicators to…

计算与语言 · 计算机科学 2021-11-16 Yuchen Liang , Mohammed J. Zaki

This paper presents a corpus annotated for the task of direct-speech extraction in Croatian. The paper focuses on the annotation of the quotation, co-reference resolution, and sentiment annotation in SETimes news corpus in Croatian and on…

计算与语言 · 计算机科学 2022-12-15 Jelena Sarajlić , Gaurish Thakkar , Diego Alves , Nives Mikelic Preradović

Query Expansion using Pseudo Relevance Feedback is a useful and a popular technique for reformulating the query. In our proposed query expansion method, we assume that relevant information can be found within a document near the central…

信息检索 · 计算机科学 2015-02-19 Rekha Vaidyanathan , Sujoy Das , Namita Srivastava

A new method of feature extraction in the social network for within-network classification is proposed in the paper. The method provides new features calculated by combination of both: network structure information and class labels assigned…

社会与信息网络 · 计算机科学 2013-03-04 Tomasz Kajdanowicz , Przemyslaw Kazienko , Piotr Doskocz

When searching the web, it is often possible that there are too many results available for ambiguous queries. Text snippets, extracted from the retrieved pages, are an indicator of the pages' usefulness to the query intention and can be…

信息检索 · 计算机科学 2009-03-24 N. Zotos , P. Tzekou , G. Tsatsaronis , L. Kozanidis , S. Stamou , I. Varlamis

Keyphrases provide a simple way of describing a document, giving the reader some clues about its contents. Keyphrases can be useful in a various applications such as retrieval engines, browsing interfaces, thesaurus construction, text…

信息检索 · 计算机科学 2010-04-20 Kamal Sarkar , Mita Nasipuri , Suranjan Ghose

With the widespread use of social networks, detecting the topics discussed on these platforms has become a significant challenge. Current approaches primarily rely on frequent pattern mining or semantic relations, often neglecting the…

计算与语言 · 计算机科学 2024-08-22 Mehrdad Ranjbar Khadivi , Shahin Akbarpour , Mohammad-Reza Feizi-Derakhshi , Babak Anari

We present a simple neural network for word alignment that builds source and target word window representations to compute alignment scores for sentence pairs. To enable unsupervised training, we use an aggregation operation that summarizes…

计算与语言 · 计算机科学 2016-07-01 Joel Legrand , Michael Auli , Ronan Collobert

The high-level contribution of this paper is the development and implementation of an algorithm to selfextract secondary keywords and their combinations (combo words) based on abstracts collected using standard primary keywords for research…

信息检索 · 计算机科学 2010-07-15 Natarajan Meghanathan , Nataliya Kostyuk , Raphael Isokpehi , Hari Cohly

We define and completely solve a content-based directed network whose nodes consist of random words and an adjacency rule involving perfect or approximate matches, for an alphabet with an arbitrary number of letters. The analytic expression…

分子网络 · 定量生物学 2007-05-23 Muhittin Mungan , Alkan Kabakcioglu , Duygu Balcan , Ayse Erzan

In the past few decades, there has been an explosion in the amount of available data produced from various sources with different topics. The availability of this enormous data necessitates us to adopt effective computational tools to…

计算与语言 · 计算机科学 2022-12-20 Mina Samizadeh

To make an interactive guidance mechanism for document retrieval systems, we developed a user-interface which presents users the visualized map of topics at each stage of retrieval process. Topic words are automatically extracted by…

cmp-lg · 计算机科学 2007-05-23 Yoshiki Niwa , Shingo Nishioka , Makoto Iwayama , Akihiko Takano , Yoshihiko Nitta

In this paper, we propose a semi-automatic system for title construction from scientific abstracts. The system extracts and recommends impactful words from the text, which the author can creatively use to construct an appropriate title for…

信息检索 · 计算机科学 2019-11-27 Swagata Duari , Vasudha Bhatnagar

We address the problem of extracting structured representations of economic events from a large corpus of news articles, using a combination of natural language processing and machine learning techniques. The developed techniques allow for…

信息检索 · 计算机科学 2017-09-19 Jan R. Benetka , Krisztian Balog , Kjetil Nørvåg