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Mitchell Home

dblp:75/11411 · DBLP profile ↗
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1ranked-venue papers
0as first author
0since 2021 · last 2012
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Databases, data management, data science and information retrieval · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Databases, data mining, and information retrieval
1 paper
Information retrieval · 61% Knowledge graphs · 30% Graph data management · 9%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Knowledge graphs › knowledge graph construction › knowledge extraction
entity and relation extraction
0.112012
Towards scalable summarization and visualization of large text corpora (abstract only) · SIGMOD Conference 2012
Information retrieval › search engines
full-text search
0.112012
Towards scalable summarization and visualization of large text corpora (abstract only) · SIGMOD Conference 2012
Information retrieval
text analysis
0.112012
Towards scalable summarization and visualization of large text corpora (abstract only) · SIGMOD Conference 2012
Graph data management
graph visualization
0.012012
Towards scalable summarization and visualization of large text corpora (abstract only) · SIGMOD Conference 2012

Methods — techniques the papers use, named apart from their topics

natural language processing · 0.1mapreduce · 0.1
YearPublicationVenuePosition
2012 Towards scalable summarization and visualization of large text corpora (abstract only)
abstract
Society is awash with problems requiring the analysis of vast quantities of text and data. From detecting flu trends out of twitter conversations to finding scholarly works answering specific questions, we rely more and more on computers to process text for us. Text analytics is the application of computational, mathematical, and statistical models to derive information from large quantities of data coming primarily as text. Our project provides fast and effective text-analytics tools for large document collections, such as the blogosphere. We use natural language processing and database techniques to extract, collect, analyze, visualize, and archive information extracted from text. We focus on discovering relationships between entities (people, places, organizations, etc.) mentioned in one or more sources (blog posts or news articles). We built a custom solution using mostly off-the-shelf, open-source tools to provide a scalable platform for users to search and analyze large text corpora. Currently, we provide two main outlets for users to discover these relations: (1) full-text search over the documents and (2) graph visualizations of the entities and their relationships. This provides the user with succinct and easily digestible information gleaned from the corpus as a whole. For example, we can easily pose queries like which companies were bought by Google? as entity:google relation:bought. The extracted data is stored on a combination of the noSQL database CouchDB and Apache's Lucene. This combination is justified as our work-flow consists of offline batch insertions with almost no updates. Because we support specialized queries, we can forgo the flexibility of traditional SQL solutions and materialize all necessary indices, which are used to quickly query large amounts of de-normalized data using MapReduce. Lucene provides a flexible and powerful query syntax to yield relevant ranked results to the user. Moreover, its indices are synchronized by a process subscribed to the list of database changes published by CouchDB. The graph visualizations rely on CouchDB's ability to export the data in any format: we currently use a customized graph visualization relying on XML data. Finally, we use memcached to further improve the performance, especially for queries involving popular entities.
Tyler Sliwkanich, Douglas Schneider, Aaron Yong, Mitchell Home, Denilson Barbosa 0001
SIGMOD Conference4