Hydration of NaOH: · Mass of calorimeter = 5.86243g · Mass of calorimeter + water = 53.5856g · Mass of calorimeter + water + NaOH = 58.3960 g · Mass of NaOH = 4.8104 g · Mass of solution = 52.53357g · Ti= 19.1o c ; Tf=46.235oc Find the followings: (show all steps) · Heat absorbed by the solution (kJ) =? · ΔHsoln (kj) =? · Moles of NaOH =? · Molar enthalpy of solution (kj.mol-1) =? Neutralization of NaOH: · Concentration of HCl used = 0.2 M · Volume of HCl used = 45 ml · Ti of HCl/ NaOH before mixing = 18.9oC ; Tf= 31.736oC · Mass of calorimeter + solution after cooling= 109.4387 g · Mass of solution= 103.57627 Find the followings: (show all steps) · Heat released by neutralization=? · Moles of HCL=? · Limiting reagent=? · Molar enthalpy of neutralization (kJ.mol-1) Homework/~$hw1.doc Homework/bib.html (Reverse chronological order) Forthcoming 2013Alleviating the Sparsity in Collaborative Filtering using Crowdsourcing, Jongwuk Lee, Myungha Jang, Dongwon Lee, Won-Seok Hwang, Jiwon Hong, Sang-Wook Kim, In Int'l Workshop on Crowdsourcing and Human Computation for Recommender Systems (CrowdRec), Hong Kong, China, October 2013 On Handling Textual Errors in Latent Document Modeling, Tao Yang, Dongwon Lee, In 22nd ACM Int'l Conf. on Information and Knowledge Management (CIKM), Burlingame, CA, USA, October 2013     Acceptance Rate: 16.8% (143/848) Steeler Nation, 12th Man, and Boo Birds: Classifying Twitter User Interests using Time Series, Tao Yang, Dongwon Lee, Su Yan, In IEEE/ACM Int'l Conf. on Advances in Social Networks Analysis and Mining (ASONAM), Niagara Falls, Canada, August 2013     Acceptance Rate: 12.8% (54/422) Mining User Generated Contents on the Web and Social Networks, Shu Huang, In Ph.D Dissertation, The Pennsylvania State University, June 2013 Enforcing Secure and Privacy-Preserving Information Brokering in Distributed Information Sharing, Fengjun Li, Bo Luo, Peng Liu, Dongwon Lee, Chao-Hsien Chu, In IEEE Trans. on Information Forensics and Security (TIFS), Vol. 8, No. 6, page 888-900, June 2013 Sentiment and Topic Analysis on Social Media: A Multi-Task Multi-Label Classification Approach, Shu Huang, Wei Peng, Jingxuan Li, Dongwon Lee, In ACM Web Science Conf. (WebSci), Paris, France, May 2013 2012 Location Type Classification Using Tweet Content, Haibin Liu, Bo Luo, Dongwon Lee, In 11th IEEE Int'l Conf. on Machine Learning and Applications (ICMLA), Boca Raton, FL, USA, December 2012 Predicting Aggregate Social Activities using Continuous-Time Stochastic Process, Shu Huang, Min Chen, Bo Luo, Dongwon Lee, In 21st ACM Int'l Conf. on Information and Knowledge Management (CIKM), Maui HI, USA, October 2012     Acceptance Rate: 13.4% (146/1088) Characterizing Landing Pages in Sponsored Search, Haibin Liu, Woo-Cheol Kim, Dongwon Lee, In 8th Latin American Web Congress (LA-WEB), Cartagena, Colombia, October 2012 Toward Mobile-Friendly Libraries: The Status Quo, Dongwon Lee, In 16th Int'l Conf. on Theory and Practice of Dig.

1. Hydration of NaOH:
· Mass of calorimeter = 5.86243g
· Mass of calorimeter + water = 53.5856g
· Mass of calorimeter + water + NaOH = 58.3960 g
· Mass of NaOH = 4.8104 g
· Mass of solution = 52.53357g
· Ti= 19.1o c ; Tf=46.235oc
Find the followings: (show all steps)
· Heat absorbed by the solution (kJ) =?
· ΔHsoln (kj) =?
· Moles of NaOH =?
· Molar enthalpy of solution (kj.mol-1) =?
Neutralization of NaOH:
· Concentration of HCl used = 0.2 M
· Volume of HCl used = 45 ml
· Ti of HCl/ NaOH before mixing = 18.9oC ; Tf= 31.736oC
· Mass of calorimeter + solution after cooling= 109.4387 g
· Mass of solution= 103.57627
Find the followings: (show all steps)
· Heat released by neutralization=?
· Moles of HCL=?
· Limiting reagent=?
· Molar enthalpy of neutralization (kJ.mol-1)
Homework/~$hw1.doc
Homework/bib.html
(Reverse chronological order)
Forthcoming
2013Alleviating the Sparsity in Collaborative Filtering using
Crowdsourcing, Jongwuk Lee, Myungha Jang, Dongwon Lee,
Won-Seok Hwang, Jiwon Hong, Sang-Wook Kim, In Int'l

2. Workshop on Crowdsourcing and Human Computation for
Recommender Systems (CrowdRec), Hong Kong, China,
October 2013
On Handling Textual Errors in Latent Document Modeling, Tao
Yang, Dongwon Lee, In 22nd ACM Int'l Conf. on Information
and Knowledge Management (CIKM), Burlingame, CA, USA,
October 2013 Acceptance Rate: 16.8% (143/848)
Steeler Nation, 12th Man, and Boo Birds: Classifying Twitter
User Interests using Time Series, Tao Yang, Dongwon Lee, Su
Yan, In IEEE/ACM Int'l Conf. on Advances in Social Networks
Analysis and Mining (ASONAM), Niagara Falls, Canada,
August 2013 Acceptance Rate: 12.8% (54/422)
Mining User Generated Contents on the Web and Social
Networks, Shu Huang, In Ph.D Dissertation, The Pennsylvania
State University, June 2013
Enforcing Secure and Privacy-Preserving Information Brokering
in Distributed Information Sharing, Fengjun Li, Bo Luo, Peng
Liu, Dongwon Lee, Chao-Hsien Chu, In IEEE Trans. on
Information Forensics and Security (TIFS), Vol. 8, No. 6, page
888-900, June 2013
Sentiment and Topic Analysis on Social Media: A Multi-Task
Multi-Label Classification Approach, Shu Huang, Wei Peng,
Jingxuan Li, Dongwon Lee, In ACM Web Science Conf.
(WebSci), Paris, France, May 2013
2012 Location Type Classification Using Tweet Content, Haibin
Liu, Bo Luo, Dongwon Lee, In 11th IEEE Int'l Conf. on
Machine Learning and Applications (ICMLA), Boca Raton, FL,
USA, December 2012
Predicting Aggregate Social Activities using Continuous-Time
Stochastic Process, Shu Huang, Min Chen, Bo Luo, Dongwon
Lee, In 21st ACM Int'l Conf. on Information and Knowledge
Management (CIKM), Maui HI, USA, October 2012
Acceptance Rate: 13.4% (146/1088)
Characterizing Landing Pages in Sponsored Search, Haibin Liu,
Woo-Cheol Kim, Dongwon Lee, In 8th Latin American Web

3. Congress (LA-WEB), Cartagena, Colombia, October 2012
Toward Mobile-Friendly Libraries: The Status Quo, Dongwon
Lee, In 16th Int'l Conf. on Theory and Practice of Digital
Libraries (TPDL), Paphos, Cyprus, September 2012
Acceptance Rate: 18% (23/128)
@Phillies Tweeting from Philly? Predicting Twitter User
Locations with Spatial Word Usage, Hau-Wen Chang, Dongwon
Lee, Mohammed Eltaher, Jeongkyu Lee, In IEEE/ACM Int'l
Conf. on Advances in Social Networks Analysis and Mining
(ASONAM), Istanbul, Turkey, August 2012
Large-Scale Longitudinal Analysis of SOAP-Based and
RESTful Web Services, Wei Jiang, Dongwon Lee, Songlin Hu,
In 19th IEEE Int'l Conf. on Web Services (ICWS), Honolulu HI,
USA, June 2012 Acceptance Rate: 17% (30/180)
Continuous Query for QoS-Aware Automatic Service
Composition, Wei Jiang, Songlin Hu, Dongwon Lee, Shuai
Gong, Zhiyong Liu, In 19th IEEE Int'l Conf. on Web Services
(ICWS), Honolulu HI, USA, June 2012 Acceptance Rate:
17% (30/180)
Scalable Clustering Methods for the Name Disambiguation
Problem, Byung-Won On, Ingyu Lee, Dongwon Lee, In
Knowledge and Information Systems (KAIS), Vol. 31, No. 1,
page 129-151, 2012
Semi-Supervised Dimensionality Reduction for Analyzing High-
Dimensional Data with Constraints, Su Yan, Sofien Bouaziz,
Dongwon Lee, Jesse Barlow, In Neurocomputing, Vol. 76, No.
1, page 114-124, 2012
2011Exploring Activity Features in Predicting Social Network
Evolution, Shu Huang, Dongwon Lee, In 10th IEEE Int'l Conf.
on Machine Learning and Applications (ICMLA), Honolulu, HI,
USA, December 2011
Scenario Analysis of Web Service Composition based on Multi-
Criteria Mathematical Programming, LiYing Cui, Soundar
Kumara, Dongwon Lee, In INFORMS Service Science, Vol. 3,
No. 4, page 280-303, December 2011 (INFORMS Service

4. Science Finalist Best Paper Award)
On the Computational Complexity of Behavioral
Description-Based Web Service Composition, Wonhong Nam,
Hyunyoung Kil, Dongwon Lee, In Theoretical Computer
Science (TCS), Vol. 412, No. 48, page 6736-6749, November
2011
Towards Noise-Resilient Document Modeling, Tao Yang,
Dongwon Lee, In 20th ACM Int'l Conf. on Information and
Knowledge Management (CIKM), Glasgow, Scotland, October
2011
Using Co-views Information to Learn Lecture
Recommendations, Haibin Liu, Sujatha Das Gollapalli,
Dongwon Lee, Prasenjit Mitra, C. Lee Giles, In ECML/PKDD
Discovery Challenge Workshop, September 2011
Privacy-Preserving Group Linkage, Fengjun Li, Yuxin Chen, Bo
Luo, Dongwon Lee, Peng Liu, In 23rd Int'l Conf. on Scientific
and Statistical Database Management (SSDBM), Portland, OR,
July 2011
QFilter: Rewriting Insecure XML Queries to Secure Ones using
Non-Deterministic Finite Automata, Bo Luo, Dongwon Lee,
Wang-Chien Lee, Peng Liu, In VLDB J., Vol. 20, No. 3, page
397-415, June 2011
Game-based InfoSec Education Using OpenSim, Jungwoo Ryoo,
Angsana Techatassanasoontorn, Dongwon Lee, Jeremy Lothian,
In 15th Colloquium for Information Systems Security Education
(CISSE), Fairborn, OH, June 2011
Topic Oriented Evolution and Sentiment Analysis, Bi Chen, In
Ph.D Dissertation, The Pennsylvania State University, March
2011
CostCo: Robust Content and Structure Constrained Clustering
of Networked Documents, Su Yan, Dongwon Lee, Alex Wang,
In 12th Int'l Conf. on Intelligent Text Processing and
Computational Linguistics (CICLing), Tokyo, Japan, February
2011 Acceptance Rate: 24% (47/298)
2010Efficient Web Service Composition: From Signature-Level

5. to Behavioral Description-Level, Hyunyoung Kil, In Ph.D
Dissertation, The Pennsylvania State University, November
2010
Adaptive GDDA-BLAST: Fast and Efficient Algorithm for
Protein Sequence Embedding, Yoojin Hong, Jaewoo Kang,
Dongwon Lee, Damian B. van Rossum, In PLoS ONE, Vol. 5,
No. 10, October 2010
Comparative Study on Subject Classification of Academic
Videos using Noisy Transcripts, Hau-Wen Chang, Hung-sik
Kim, Shuyang Li, Jeongkyu Lee, Dongwon Lee, In IEEE Int'l
Conf. on Semantic Computing (ICSC), Pittsburgh, PA,
September 2010
DSP: Robust Semi-Supervised Dimensionality Reduction using
Dual Subspace Projections, Su Yan, Sofien Bouaziz, Dongwon
Lee, In IEEE/WIC/ACM Int'l Conf. on Web Intelligences (WI),
Toronto, Canada, September 2010 Acceptance Rate: 16.6%
(52/313)
Semi-Supervised Clustering for High Dimensional and Sparse
Features, Su Yan, In Ph.D Dissertation, The Pennsylvania State
University, August 2010
What is Opinion About? Exploring Political Standpoints using
Opinion Scoring Model, Bi Chen, Leilei Zhu, Daniel Kifer,
Dongwon Lee, In 24th AAAI Conf. on Artificial Intelligence
(AAAI), Atlanta, GA, July 2010 Acceptance Rate: 26.9%
(264/982)
High-Performance Record Linkage, Hung-sik Kim, In Ph.D
Dissertation, The Pennsylvania State University, May 2010
HARRA: Fast Iterative Hashed Record Linkage for Large-Scale
Data Collections, Hung-sik Kim, Dongwon Lee, In 13th Int'l
Conf. on Extending Database Technology (EDBT), Lausanne,
Switzerland, March 2010 Acceptance Rate: 18% (54/307)
BASIL: Effective Near-Duplicate Image Detection using Gene
Sequence
Alignment, Hung-sik Kim, Hau-Wen Chang, Jeongkyu Lee,
Dongwon Lee, In The 32nd European Conf. on Information
Retrieval (ECIR), Milton Keynes, UK, March 2010

6. Acceptance Rate: 22%
2009XML Access Control, Dongwon Lee, Ting Yu, In
Encyclopedia of Database Systems (EDBS), Springer, page
3573-3576, New York, NY, USA, December 2009 (Invited)
BIM: Image Matching using Biological Gene Sequence
Alignment, Hung-sik Kim, Hau-Wen Chang, Haibin Liu,
Jeongkyu Lee, Dongwon Lee, In IEEE Int'l Conf. on Image
Processing (ICIP), Cairo, Egypt, November 2009
Efficient Abstraction and Refinement for Behavioral
Description Based Web Service
Composition, Hyunyoung Kil, Wonhong Nam, Dongwon Lee, In
21st Int'l Joint Conf. on Artificial Intelligence (IJCAI),
Pasadena, CA, USA, July 2009 Acceptance Rate: 25.7%
(331/1290)
Graph Theoretic Topological Analysis of Web Service
Networks, Hyunyoung Kil, Seog-Chan Oh, Ergin Elmacioglu,
Wonhong Nam, Dongwon Lee, In World Wide Web J. Vol. 12,
No. 3, page 321-343, June 2009
Modeling Idiosyncratic Properties of Collaboration Networks
Revisited, Ergin Elmacioglu, Dongwon Lee, In Scientometrics,
Vol. 80, No. 1, page 197-218, June 2009
T3: On Mapping Text To Time Series, Tao Yang, Dongwon Lee,
In The Alberto Mendelzon Int'l Workshop on
Foundations of Data Management (AMW), Arequipa, Peru,
May 2009
Automatic Web Service Composition with Abstraction and
Refinement, Hyunyoung Kil, Wonhong Nam, Dongwon Lee, In
Int'l World Wide Web Conf. (WWW), Madrid, Spain, April
2009
Pairwise Constrained Clustering for Sparse and High
Dimensional Feature Spaces, Su Yan, Hai Wang, Dongwon Lee,
C. Lee Giles, In 13th Pacific-Asia Conf. on Knowledge
Discovery and Data Mining (PAKDD), Bangkok, Thailand,
April 2009 Acceptance Rate: 21.3% (72/338)
On Protecting Private Information in Social Networks: A

7. Proposal, Bo Luo, Dongwon Lee, In Int'l Workshop on
Modeling, Managing and Mining of
Evolving Social Networks (M3SN), Shanghai, China, April
2009
Security Education using Second Life, Jungwoo Ryoo, Angsana
Techatassanasoontorn, Dongwon Lee, In IEEE Security &
Privacy, Vol. 7, No. 2, page 72-75, March 2009
Oracle, Where Shall I Submit My Papers?, Ergin Elmacioglu,
Dongwon Lee, In ACM Comm. of the ACM (CACM), Vol. 52,
No. 2, page 115-118, February 2009
WSBen: A Web Services Discovery and Composition
Benchmark Toolkit, Seog-Chan Oh, Dongwon Lee, In Int'l J. of
Web Services Research (JWSR), Vol. 6, No. 1, page 1-19,
January 2009
2008DL2Go: Editable Digital Libraries in the Pocket,
Hyunyoung Kil, Wonhong Nam, Dongwon Lee, In Int'l Conf. on
Asia-Pacific Digital Libraries (ICADL), Bali, Indonesia,
December 2008
LeeDeo: Web-Crawled Academic Video Search Engine,
Dongwon Lee, Hung-sik Kim, Eun Kyung Kim, Su Yan, Johnny
Chen, Jeongkyu Lee, In IEEE Int'l Workshop on Data Semantics
for Multimedia Systems and Applications (DSMSA), Berkeley,
CA, USA, December 2008
Defending against Attribute-Correlation Attacks in Privacy-
Aware Information Brokering, Fengjun Li, Bo Luo, Peng Liu,
Anna Squicciarini, Dongwon Lee, Chao-Hsien Chu, In Int'l
Conf. on Collaborative Computing: Networking, Applications
and Worksharing (CollaborateCom), Orlando, FL, USA,
November 2008
Computational Complexity of Web Service Composition Based
on Behavioral Descriptions, Hyunyoung Kil, Wonhong Nam,
Dongwon Lee, In 20th IEEE Int'l Conf. on Tools with Artificial
Intelligence (ICTAI), Dayton, OH, USA, November 2008
Tablet PC Use and Impact on Learning in Technology and
Engineering Classrooms: A Preliminary Study, Sven Bilen,

8. Dongwon Lee, John Messner, Hien Nguyen, Timothy Simpson,
Angsana Techatassanasoontorn, Richard Devon, In Workshop
on the Impact of Pen-Based Technology on Education (WIPTE),
West Lafayette, IN, October 2008
Scholarly Digital Libraries at Scale, Min-Yen Kan, Dongwon
Lee, Ee-Peng Lim, In Int'l J. on Digital Libraries (IJDL), Vol.
9, No. 2, page x-x, October 2008
Record Linkage as DNA Sequence Alignment Problem, Yoojin
Hong, Tao Yang, Jaewoo Kang, Dongwon Lee, In 6th Int'l
Workshop on Quality in Databases (QDB), Auckland, New
Zealand, August 2008
Effective
Solution
s for Name Linkage and their Applications, Ergin Elmacioglu,
In Ph.D Dissertation, The Pennsylvania State University,
August 2008
XML Access Control in Native and RDBMS-Supported XML
Databases, Bo Luo, In Ph.D Dissertation, The Pennsylvania
State University, August 2008
Video Linkage: Group Based Copied Video Detection, Hung-sik
Kim, Jeongkyu Lee, Haibin Liu, Dongwon Lee, In ACM Int'l
Conf. on Image and Video Retrieval (CIVR), Niagara Falls,
Canada, July 2008 Acceptance Rate: 34% (42/123)
Type-Aware Web-Service Composition using Boolean
Satisfiability Solver, Wonhong Nam, Hyunyoung Kil, Dongwon
Lee, In IEEE Int'l Conf. on e-Technology, e-Commerce and e-

9. Service (EEE), Washington DC, USA, July 2008
A Web Service Composition Framework using Integer
Programming with Non-Functional Objectives and Constraints,
Jung-Woon Yoo, Soundar Kumara, Dongwon Lee, Seog-Chan
Oh, In IEEE Int'l Conf. on e-Technology, e-Commerce and e-
Service (EEE), Washington DC, USA, July 2008 (Second
Runner-up for Web Services Challenge Performance Track)
Efficient Web-Based Linkage of Short to Long Forms, Yee Fan
Tan, Ergin Elmacioglu, Min-Yen Kan, Dongwon Lee, In 11th
Int'l Workshop on Web and Databases (WebDB), Vancouver,
Canada, June 2008
The ACL Anthology Reference Corpus: A Reference Dataset for
Bibliographic Research in Computational Linguistics, Steven
Bird, Robert Dale, Bonnie Dorr, Bryan Gibson, Mark Joseph,
Min-Yen Kan, Dongwon Lee, Brett Powley, Dragomir Radev,
Yee Fan Tan, In Int'l Conf. on Language Resources and
Evaluation (LREC), Marrakech, Morocco, May 2008
Effective Web Service Composition in Diverse and Large-Scale
Service Networks, Seog-Chan Oh, Dongwon Lee, Soundar
Kumara, In IEEE Trans. on Services Computing (TSC), Vol. 1,
No. 1, page 15-32, 2008
2007Are Your Citations Clean?, Dongwon Lee, Jaewoo Kang,
Prasenjit Mitra, C. Lee Giles, Byung-Won On, In ACM Comm.
of the ACM (CACM), Vol. 50, No. 12, page 33-38, December

10. 2007
Web Based Linkage, Ergin Elmacioglu, Min-Yen Kan, Dongwon
Lee, Yi Zhang, In 9th ACM Int'l Workshop on Web Information
and Data Management (WIDM), Lisbon, Portugal, November
2007 Acceptance Rate: 25% (20/80)
Parallel Linkage, Hung-sik Kim, Dongwon Lee, In 16th ACM
Int'l Conf. on Information and Knowledge Management (CIKM),
Lisbon, Portugal, November 2007 Acceptance Rate: 17%
(86/512)
HICCUP: Hierarchical Clustering Based Value Imputation using
Heterogeneous Gene Expression Microarray Datasets,
Qiankun Zhao, Prasenjit Mitra, Dongwon Lee, Jaewoo Kang, In
7th IEEE Int'l Symp. on BioInformatics and BioEngineering
(BIBE), Boston, MA, USA, October 2007 Acceptance Rate:
13% (65/500)
Automaton Segmentation: A New Approach to Preserve Privacy
in XML
Information Brokering, Fengjun Li, Bo Luo, Peng Liu,
Dongwon Lee, Chao-Hsien Chu, In 14th ACM Conf. on
Computer and Communication Security (CCS), Alexandria, VA,
USA, October 2007 Acceptance Rate: 18% (55/303)
Pragmatic XML Access Control using Off-the-shelf RDBMS, Bo
Luo, Dongwon Lee, Peng Liu, In 12th European Symposium On
Research In Computer Security
(ESORICS), Dresden, Germany, September 2007 Acceptance

11. Rate: 23% (39/164)
Semantic Web-Service Discovery and Composition Using
Flexible Parameter Matching, Seog-Chan Oh, Jung-Woon Yoo,
Hyunyoung Kil, Dongwon Lee, Soundar Kumara, In IEEE Int'l
Conf. on e-Technology, e-Commerce and e-Service (EEE), page
533-542, Tokyo, Japan, July 2007 (Second Runner-up for Web
Services Challenge Architecture Track)
Practical Maintenance of Evolving Metadata for Digital
Preservation: Algorithmic