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This document provides an introduction to data science, including what it is, why the field has emerged, and the roles and skills of data scientists. It discusses how data science has helped companies like LinkedIn and Uber solve business problems by analyzing large datasets. It outlines the data science process, from framing questions to collecting and cleaning data to exploring patterns and communicating findings. Finally, it discusses tools used in data science like SQL, data visualization software, and machine learning algorithms and how bootcamps can help people transition into data science careers.
This document summarizes a presentation on internet recruiting research. It discusses the background of internet recruiting, types of sites used like company websites and LinkedIn. Surveys of HR professionals found most agree internet recruiting allows hiring qualified candidates. Analysis showed relationship between increased professional contacts and percentage of hiring from internet recruiting. Improvements to further research were recommended, such as a more diverse survey sample.
The document discusses social business and leveraging social networks. It covers topics like understanding customer motivations, measuring success through metrics, focusing on organizational processes and transactions, improving knowledge and leveraging tools. It emphasizes that social business helps understand internal and external clients of an organization.
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This document summarizes research into the use of microblogging both inside and outside the workplace. The researchers analyzed posts and interviewed users of an internal microblogging tool called BlueTwit and the public tool Twitter. They found key differences in post categories, styles, and motivations between internal and external use. Internally, microblogging was used more for asking questions, directed communication, and reputation among colleagues, while externally it focused more on sharing information and self-promotion. Both platforms were useful for fostering connections and accessing timely human-selected information.
Improving employee engagement and performance through social analytics sada...N. Sadat Shami
The use of social media in the workplace is growing. One anticipates this trend to continue as more and more individuals comfortable with social media join the workforce. Social media provides an opportunity for organizations to obtain a real-time understanding of various aspects of the employee experience. For organizations to truly benefit from this aspect of social media, there is a need to build tools that allow an organization to make sense of the large scale unstructured data generated by social media. In this talk, I will first introduce a tool named Social Pulse that enables an organization to understand the social media chatter and sentiment of its employees. Social Pulse provides text and sentiment analysis, search and filtering, and several visualization features while respecting employee data privacy. I will then discuss how the data generated through Social Pulse can lead to insights that can improve outcomes of interest to an organization, such as employee engagement and performance.
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This document provides an introduction to data science. It discusses how the field has emerged due to big data and the shortage of people with deep analytical skills. It describes the roles and skills of data scientists, including collecting, processing, exploring, and communicating data. The document uses LinkedIn as a case study example to illustrate the data science process. It also outlines some common tools used in data science, such as SQL, data visualization software, and machine learning algorithms. Finally, it discusses learning data science through bootcamp programs and mentorship.
This document provides an overview of data science as a career field. It discusses how data science emerged to address the rise of "big data" and the shortage of people with analytical skills. It uses LinkedIn as a case study to outline the data science process of framing questions, collecting and processing data, exploring for patterns, and communicating results. Finally, it discusses the tools used in data science like SQL, data visualization software, and machine learning algorithms. It promotes Thinkful's data science bootcamp program for transitioning into a data science career.
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This document provides an introduction to data science, including what it is, how the field has emerged due to big data, and the roles and skills of data scientists. It discusses how data scientists at LinkedIn used data analysis to improve user connections and engagement. The data science process is outlined as framing questions, collecting and processing raw data, exploring patterns in the data, and communicating results. Examples of tools used by data scientists like SQL, data visualization software, and machine learning algorithms are also provided. Finally, next steps and opportunities to continue learning data science are discussed.
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This document provides an introduction to data science, including what it is, how the field has emerged due to big data, and the roles and skills of data scientists. It discusses how data scientists at LinkedIn used data analysis to improve user connections and engagement. The data science process is outlined as framing questions, collecting and processing raw data, exploring patterns in the data, and communicating results. Examples of tools used by data scientists like SQL, data visualization software, and machine learning algorithms are also provided. Finally, next steps and opportunities to continue learning data science are discussed.
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2. Analyzing organizational networks can uncover important relationships and patterns that impact collaboration, knowledge sharing, and performance. Visually mapping networks provides insight into how to improve connectivity.
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Overview
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Making sense of strangers' expertise from signals in digital artifacts
1. Making sense of strangers’
expertise from signals in
digital artifacts
N. Sadat Shami, Kate Ehrlich, Geri Gay, Jeff Hancock
2.
3. Proliferation of online information
“An abundance of information leads to a poverty of
attention”
- Herbert Simon
4. Outline of talk
Research question
Prior research
expertise search, self presentation
The use of signaling theory as a decision aid
Study design
Findings
5. General Research Question
‘People sensemaking’
When looking for specific expertise using a tool, how
do individuals make sense of different information
about a stranger conveyed through digital artifacts?
6. Context of study
Context
Finding an expert to contact
Evaluating them by by viewing
online profile
Usually only after personal
networks are exhausted (Borgatti
& Cross, 2003; Cross & Sproull,
2004)
7. Prior research
Expertise search
Many tools built to find experts (Terveen &
McDonald, 2005)
Focus on finding ‘best expert’
Less attention on finding people likely to respond
8. Prior research
Self presentation
Selective self presentation (Goffman, 1959)
Identity claims and behavioral residue (Vizier &
Gosling, 2004)
Profiles on social networking sites (Donath, 2007;
Lampe et al. 2007)
Deception can occur (Hancock et al. 2007)
9. Signaling theory
Interpretive framework
Theory of communication
Process of discerning and interpreting
conveyed information
Useful for decision making under
uncertainty where deception can occur
10. Signaling theory
Reliable signals are pieces of information that are hard to
fake (Spence, 1973; Zahavi, 1975; Zahavi & Zahavi, 1997)
11. Signals in digital artifacts
Assessment signals
Quality correlated with trait
Quality is ‘wasted’ in production
Conventional signals
Need not possess the trait
Social norms and mores maintain quality
Based on Donath, in press
13. Study: Making sense of the different pieces of
Information on a profile page
14. Enterprise expertise locator system
SmallBlue, renamed to Atlas™ (Ehrlich et al. 2007;
Lin et al., 2008)
Convenient platform for research
Description
Mines outgoing email and
instant messaging transcripts
Data aggregator
Opt in system
15. Participants
Email invitation
Performed at least 20 searches using SmallBlue
131 employees, 67 responded (51.15%)
Demographics
21 countries (majority US - 43.75%)
48 males, 19 females
Average tenure 10.5 years
Majority from consulting or sales (37.5%)
16. User Task
Find an expert in ‘AJAX’
On a committee evaluating a new project
proposal. Need a second opinion on whether
AJAX is appropriate for the project.
Why ‘AJAX’?
Among top searches in SmallBlue
17. “AJAX” scenario: User Task
Shami, Ehrlich, Millen, CHI 2007, Pick me! Link selection in expertise search
18. Corporate Recommended Mailing list
directory and alternate connection paths membership
information
Corporate
directory self Social
reported bookmarking
expertise tags
Blog posts
Forum posts
Social bookmarks
19. Self reported rating data
Outcome variable (1-9 scale)
Likelihood of contacting a person
Predictor variables (1-9 scale)
Social software (tags + blogs + forums)
Social connection information
Mailing list membership
Corporate directory info
Self-described expertise
Control variables
Familiarity with AJAX
20. Profile data
Outcome variable
Likelihood of contacting a person (1-9 scale)
Predictor variables
Participation in social software i.e. count of: tags +
blog posts + forum posts (0-1100)
Social closeness (0-6)
Mailing list membership (0-13)
Control variables
Familiarity with AJAX
21. Results from rating data: Social software
For each point increase in perceived helpfulness of social
software, likelihood of contact increased by 0.33 points (p < 0.01).
“People who use dogear or IBM Forums are more likely
to reach out to the community with their questions and
their expertise and therefore I would think they would
be more likely to assist in sharing their own expertise.”
22. Results from rating data: social closeness
For each point increase in perceived helpfulness of social
connection information, likelihood of contact increased by 0.37
points (p < 0.01).
“I know the people that the system recommended to go
through. If I contact them, I'll be able to get straight to him.”
“...it wouldn't be too much of a cold call to say ‘hi, I understand
you know my colleague so and so, I'm calling you about this
other topic.’ I guess it would make me feel more comfortable
knowing that I could sort of name drop.”
23. Results from profile data (counts)
Posting one more tag, blog, or forum post increased
likelihood of contact by 0.01 points (p < 0.001).
Each degree increase in social closeness corresponds to a
0.29 point increase in likelihood of contact (p < 0.01)
24. Signaling theory as a decision aid
Signaling theory in ‘people sensemaking’
Focus on information that is hard to fake
More credible, reliable, less open to deception
Social software related to approachability
Social connection information related to accessibility and
verifying expertise.
25. Implications for design
‘Page rank’ for experts
Analyze structural patterns to find ‘answer people’ (Wesler
et al., 2007)
No systematic analysis of social software
Find others likely to respond