Fine-grained document clustering via ranking and its application to social media analytics

T Sutanto, R Nayak - Social Network Analysis and Mining, 2018 - Springer
Extracting valuable insights from a large volume of unstructured data such as texts through
clustering analysis is paramount to many big data applications. However, document …

The cluster hypothesis in information retrieval

O Kurland - European Conference on Information Retrieval, 2014 - Springer
The cluster hypothesis states that “closely associated documents tend to be relevant to the
same requests”[45]. This is one of the most fundamental and influential hypotheses in the …

Relevance-driven clustering for visual information retrieval on twitter

MR Bouadjenek, S Sanner - Proceedings of the 2019 Conference on …, 2019 - dl.acm.org
Geo-temporal visualization of Twitter search results is a challenging task since the
simultaneous display of all matching tweets would result in a saturated and unreadable …

Hypergraph-of-entity: A unified representation model for the retrieval of text and knowledge

J Devezas, S Nunes - Open Computer Science, 2019 - degruyter.com
Modern search is heavily powered by knowledge bases, but users still query using
keywords or natural language. As search becomes increasingly dependent on the …

The correlation between cluster hypothesis tests and the effectiveness of cluster-based retrieval

F Raiber, O Kurland - Proceedings of the 37th international ACM SIGIR …, 2014 - dl.acm.org
We present a study of the correlation between the extent to which the cluster hypothesis
holds, as measured by various tests, and the relative effectiveness of cluster-based retrieval …

Testing the cluster hypothesis with focused and graded relevance judgments

E Sheetrit, A Shtok, O Kurland, I Shprincis - The 41st International ACM …, 2018 - dl.acm.org
The cluster hypothesis is a fundamental concept in ad hoc retrieval. Heretofore, cluster
hypothesis tests were applied to documents using binary relevance judgments. We present …

On clustering and polyrepresentation

I Frommholz, MK Abbasi - European Conference on Information Retrieval, 2014 - Springer
Polyrepresentation is one of the most prominent principles in a cognitive approach to
interactive information seeking and retrieval. When it comes to interactive retrieval …

[PDF][PDF] Language Model and Clustering based Information Retrieval.

I Giakoumi, C Makris, Y Plegas - WEBIST, 2015 - scitepress.org
In this paper, we describe two novel frameworks for improving search results. Both of them
organize relevant documents into clusters utilizing a new soft clustering method and …

[PDF][PDF] Updating Rare Term Vector Replacement

T Berka, M Vajteršic - Proceedings of the Sixth International Joint …, 2013 - aclanthology.org
Rare term vector replacement (RTVR) is a novel technique for dimensionality reduction. In
this paper, we introduce an updating algorithm for RTVR. It is capable of updating both the …

Toward Scalable Hierarchical Clustering and Co-clustering Methods: application to the Cluster Hypothesis in Information Retrieval

X Wang - 2017 - theses.hal.science
As a major type of unsupervised machine learning method, clustering has been widely
applied in various tasks. Different clustering methods have different characteristics …