cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.7910/dvn/bfgavz
title: Rumor detection over varying time windows.

description: This study determines the major difference between rumors and non-rumors and explores rumor classification performance levels over varying time windows—from the first three days to nearly two months. A comprehensive set of user, structural, linguistic, and temporal features was examined and their relative strength was compared from near-complete date of Twitter. Our contribution is at providing deep insight into the cumulative spreading patterns of rumors over time as well as at tracking the precise changes in predictive powers across rumor features. Statistical analysis finds that structural and temporal features distinguish rumors from non-rumors over a long-term window, yet they are not available during the initial propagation phase. In contrast, user and linguistic features are readily available and act as a good indicator during the initial propagation phase. Based on these findings, we suggest a new rumor classification algorithm that achieves competitive accuracy over both short and long time windows. These findings provide new insights for explaining rumor mechanism theories and for identifying features of early rumor detection.
description: This data contains tweets, user characteristic, and related network structure of 111 rumor and non-rumor events. In word file, we describe data in detail.
DOI: 10.7910/dvn/c7617e
title: Habitat structure and parasitoid abundance influence spatial density dependence patterns rendering an asilid fly as a potential biological controller of white grubs

description: Data belonging to the sampling of rizophagous Scarabaeidae larvae. Sampling were made by delimiting a grid of 50X10 mts and digging with a shovel up to 25cm depth.
DOI: 10.7910/dvn/23102
title: Presidential Success in Supreme Court Appointments: Informational Effects and Institutional Constraints

description: Spatial models of Supreme Court appointments assume that the president knows the preferences of nominees and is constrained only by the ideology of the Senate. However, nominees vary in the amount of available information that can be used to determine their preferences. I find that justices who offered more information in the form of relevant professional experience at the time of nomination are more congruent with their appointing president. Institutional factors, such as polarization between the Senate and president, exert less influence on congruence. The president is, however, constrained from appointing highly experienced justices if the Senate and president are distant ideologically.
DOI: 10.7910/dvn/k233ea
title: Iran’s Islamic Republic News Agency Articles from 22 Dec. 2011 to 15 Feb. 2020

description: Search articles from our database of Iran’s Islamic Republic News Agency English content posted from 22 December 2011 to 15 February 2020. This content represents all English archive content available at the time of the scrape in February 2020, just over 102,000 unique articles.
description: Google Cloud Natural Language used for sentiment analysis., null
DOI: 10.7910/dvn/23327
title: The Impact of Financial Openness on the Size of Utility-enhancing Government [Dataset]

description: In this paper, the authors employ a portfolio approach based on a two-country world to study the impact of financial openness on the size of government and on other key economic variables, including the consumption-wealth ratio, the growth rate of wealth, and welfare (assuming that public spending is utility enhancing). The model suggests that the size of government, the consumption-wealth ratio, and welfare should be greater in an open economy because of higher productivity and/or less volatility because of risk sharing. The theoretical results for the growth rate depend on differences in productivity and in consumption-wealth ratios. The empirical evidence — based on a sample of 49 countries from 1970 to 2009 — broadly supports the main theoretical results of the model.
DOI: 10.7910/dvn/ben0y
title: Central America (2009): Health Providers Study Design: IUD's Perceptions in Central America, El Salvador, Guatemala & Nicaragua, 2009 First Round

description: To determine the level of IUD's perceptions among Family Planning providers, disaggregating by specific attributes that they take into account when prescribing any modern method of contraception. Results will be compared with future surveys on IUD perceptions to show the donors whether the Women's Health Project (WHP) has positively impacted on provider's perceptions/attitudes on IUD. It is assumed that WHP's programmatic activities will indirectly increase provider's positive perceptions about IUD over time and, this in turn, will set the ground for a continued growth of the project by generating demand on providers. The present study will be a baseline and will be compared to a follow-up study in 2010. A structured short questionnaire (attached) will be carried out with family planning providers that, according to the national regulations, should be responsible for inserting IUDs (working in NGOs, private and public sector). The first section of the questionnaire will collect socio-demographic information. The second part is the heart of the study and it will measure the providers' perceptions towards IUDs. It was built on a qualitative study carried out in 2009 with providers. It aligns the ques
tions based on the attributes or things that concern the most the providers when prescribing a contraceptive method: practicality, reliability, social acceptance, convenience, availability, value, flexibility and comfort (see questionnaire for more detail). Each category includes between 2 and 5 different questions in a likert scale with 7 response categories: 1 being totally disagree and 7 totally agree. The third part of the questionnaire collects information about myths, and the fourth part about prescription habits.
DOI: 10.7910/dvn/23072
title: Costa Rica 2012: TRaC study measuring sexual behavior among Men who have sex with men in San Jose. Round 1.

description: GOAL OF THE TRaC STUDY Evidence from this study will be used to evaluate and improve current communication campaigns and their effect on the target population of Male who have Sex with Men (MSM) and Trans (transgender, transsexual, transvestite). It will also help design new activities directed to them by determining factors associated with healthy key behaviors. RESEARCH OBJECTIVES a. Measure change and monitor progress on the objectives of USAIDs Combination Prevention for PASMO and PEPFARs Gender Enhanced complementing approach. b. Determine the preliminary impact of PASMOs interventions among MSM c. Validate factors that have been usually associated with the desired behavior: consistent condom use with all male partners in the last month. d. Set a baseline for the Opportunity, Ability and Motivation (OAM) factors in which the program will work for the next two years
DOI: 10.7910/dvn/23638
title: Landsat-based approaches for mapping of land degradation prevalence and soil functional properties in Ethiopia

description: Agriculture is the basis of the Ethiopian economy, accounting for the majority of its employment and export earnings. Land degradation is, however, widespread and improved targeting of land management interventions is needed, taking into account the variability of soil properties that affect agricultural productivity and land degradation risk across landscapes. In the current study we demonstrate the utility of Landsat ETM + imagery for landscape-level assessments of land degradation risk and soil condition through a combination of systematic field methodologies, infrared (IR) spectroscopy and ensemble modeling techniques. The approaches presented allow for the development of maps at spatial scales that are appropriate for making spatially explicit management recommendations. Field data and soil samples collected from 38 sites, each 100 km2, were used to develop predictive models that were applied as part of a case study to an independent dataset from four sites in Ethiopia. The predictions based on Landsat reflectance were robust, with R-squared values of 0.86 for pH and 0.79 for soil organic carbon (SOC), and were used to create predicted surfaces (maps) for these soil properties. Further, models were developed for the mapping of the occurrence of soil erosion and root depth restrictions within 50 cm of the soil surface (RDR50), with an accuracy o
f about 80% for both variables. The maps generated from these models were used to assess the spatial distribution of soil pH and SOC, which are important indicators of soil condition, and land degradation risk factors in order to target relevant management options.
DOI: 10.7910/dvn/23661
title: Influence of climate variability on seasonal and interannual variations of ecosystem CO2 exchange in flooded and non-flooded rice fields in the Philippines

description: Seasonal rainfall in the Philippines is known to be modulated by ENSO phenomenon, with El Nino frequently contributing to reduced rainfall and drought while La Nina resulting in excessive rainfalls, floods and more intense typhoons. The alterations in rainfall patterns can have considerable feedback on solar radiation, air temperature, and soil moisture which can affect the ecosystem CO2 exchange. In this paper, we assessed the effects of the ENSO events (2008-mid 2010) on the seasonal climate conditions and determined how it affected the gross primary production (GPP), ecosystem respiration (Re), and net ecosystem production (NEP) of two contrasting rice environments: flooded and non-flooded. The 2008 dry season (DS) was under a La Nina event while the 2008 wet season (WS) was a neutral one with strong tropical cyclones associated during the wet season. The 2009DS was also La Ninna while the 2009WS was El Nino; however, the northern part of the Philippines experienced strong tropical cyclones. The 2010DS was under an El Nino event. The La Nina in 2008DS resulted in about 15% lower solar radiation (SR), 0.3 degre
es Centigrade lower air temperature (Ta) and 60% higher precipitation compared to the 28-year climate normal patterns. Both flooded and non-flooded rice fields had lower NEP in 2008 DS (164 and 14 g C/m2, respectively) than in 2008 WS (295 and 82 g C/m2, respectively) because the climate anomaly resulted in SR-driven decrease in GPP. The La Nina in 2009DS even resulted in 0.2 deg C lower air temperature and 40% more precipitation than the 2008DS La Nina. This cooler temperature resulted in lower Re in flooded rice fields while the higher precipitation resulted in higher GPP in non-flooded fields since the climate was favorable for the growth of the aerobic rice, the ratoon crops and the weeds. This climate anomaly benefitted both flooded and non-flooded rice fields by increasing NEP (351 and 218 g C/m2, respectively). However, NEP decreased in 2009WS in both flooded and non-flooded rice fields (225 and 39 g C/m2, respectively) due to the devastating effects of the strong tropical cyclones that hit the northern part of the Philippines. On the other hand, the El Nino event during 2010DS resulted in about 6% higher solar radiation, 0.4 degrees Centigrade higher air temperature and 67% lower precipitation than the 28-year climate normal pattern. The NEP of flooded and non-flooded rice fields were closely similar at 187 and 174 g C/m2, respectively. This climate anomaly resulted in Ta - driven increase in Re, as well as vapor pressure deficit (VPD) - driven decrease in GPP in flooded rice fields. The GPP and Re in non-flooded rice fields were less sensitive to higher VPD and higher Ta, respectively. It appears that the net ecosystem CO2 exchange in non-flooded rice field was less sensitive to an El Nino event.
description: Subject: null Type: CESD Notes: ;
DOI: 10.7910/dvn/brjapz
title: Replication Data for: So many questions, so little time: Integrating adaptive inventories into public opinion research

description: One of the most difficult tasks facing survey researchers is balancing the imperative to keep surveys short with the need to measure important concepts accurately. Not only are long batteries prohibitively expensive, but lengthy surveys can also lead to less informative answers from respondents. Yet, scholars often wish to measure traits that require a multi-item battery. To resolve these contradicting constraints, we propose the use of adaptive inventories. This approach uses computerized adaptive testing methods to minimize the number of questions each respondent must answer while maximizing the accuracy of the resulting measurement. We provide evidence supporting the utility of adaptive inventories through an empirically informed simulation study, an experimental study, and a detailed case study using data from the 2016 ANES Pilot. The simulation and experiment illustrate the superior performance of adaptive inventories relative to fixed-reduced batteries in terms of precision and accuracy. The ANES analysis serves as an illustration of how adaptive inventories can be developed and fielded and also validates an adaptive inventory with a nationally representative sample. Critically, we provide extensive software tools that allow researchers to incorporate adaptive inventories into their own surveys.
DOI: 10.7910/dvn/buvdx1
title: A12_21153.JPG

description: Link to OCHRE database: &lt;a href = ''http://pi.lib.uchicago.edu/1001/org/ochre/390968cf-d240-407e-9349-e2dbde777277'&gt;http://pi.lib.uchicago.edu/1001/org/ochre/390968cf-d240-407e-9349-e2dbde777277
DOI: 10.7910/dvn/qgeqcq
title: Replication Data for: "A High Bar or a Double Standard? Gender, Competence, and Information in Political Campaigns"

description: SPSS Datasets and syntax used for the two studies included in Ditonto "A High Bar or a Double Standard? Gender, Competence, and Information in Political Campaigns"
DOI: 10.7910/dvn/vvm3bd
title: Scientists' Social Network
DOI: 10.7910/dvn/29571
title: The effect of aerobic soil conditions, soil volume and sowing data on the development of four tropical rice varieties grown in the greenhouse

description: Rice has generally been reported to yield less in aerobic soil conditions than in flooded soil conditions, in association with delayed anthesis and a reduction in height. A greenhouse experiment was conducted and repeated twice with four rice varieties grown in either flooded or nearly-saturated aerobic soil, in either large of small pits. The rate of leaf appearance was recorded weekly until heading time, when plants were harvested for shoot and root biomass. The kinetics of leaf appearance was generally trilinear with longer phyllochrons in the May sowing. Pot size had only a small effect whereas aerobic soil conditions slowed down the rate of leaf initiation, which consequently delayed panicle initiation and heading date and thus increased the duration of the tillering phase and finally the number of tillers. Surprisingly, the four varieties showed a significant response to sowing date, especially IR72, which headed 21 days later and after the expansion of two more leaves in the May sowing. The aerobic soil conditions and sowing date have thus changed the rate of development of rice plants and this trait has appeared to be the initial link of a chain of consequences in a series of traits known to be affected by these factors.
DOI: 10.7910/dvn/29984
title: Replication data for: Combining List Experiment and Direct Question Estimates of Sensitive Behavior Prevalence

description: This is a replication archive for the paper's empirical results.
DOI: 10.7910/dvn/8ixpxx
title: Diversification Patterns of Mixed Crop-Livestock Production in Smallholder Farming Systems and Its Implication for Household Food Security: The Case in Gudo Beret Watershed, North Shewa, Central Highlands of Ethiopia

description: Ethiopia has made efforts to tackle the challenges of low crop and livestock productivity and degradation of land resources through various rural development strategies. However, increasing demands for food, animal feed, fuel, and income-generating activities are putting pressure on the land. In this paper, we describe the production pressure and competition between crop and livestock production, quantify rates of land-use/cover (LULC) changes, and examine driving forces and consequences of land conversion. The study was conducted in Gudo Beret watershed, North Shewa Zone of Amhara region, Ethiopia. It used a combination of methods including remote sensing, household interviews, field observations, focus group discussions, and key informant interviews. Supervised and unsupervised image classification methods were employed to map LULC classes for 31 years (1984–2016). The results of satellite remote sensing revealed that 51% of the land in the study area was subject to accelerated land conversions. The household survey results indicated that feed resources and grain production pressures were 1.43 and 1.34 t ha−1 respectively. The observed annual changes in plantation and settlement areas were 2.6% and 2.9%. This was mainly at the expense of bushland and grazing land systems. Cropland increased (0.4% year−1) while grazing land reduced (3.5% year−1) under contrasting dynamics and competitive changes. An increase in human and livestock populations and farm expansion were major drivers of land conversion that adversely affected household livelihoods and the natural ecosystem. The consequences of these pressures resulted in a lack of animal feed, low crop-livestock productivity, and a reduction in natural vegetation coverage. We suggest that sustainable land resource management, more integrated crop-livestock production, and the use of productivity-enhancing technologies could play a role in managing competition for land resources.
description: Household- and Community-level Surveys
description: EXCEL, null
DOI: 10.7910/dvn/gndbnz
title: Petition of Isaiah Belain

description: &lt;p&gt;Petition subject: Indian guardians &lt;/p&gt; &lt;p&gt;Original: &lt;a href="http://nrs.harvard.edu/urn-3:FHCL:12231537"&gt;http://nrs.harvard.edu/urn-3:FHCL:12231537&lt;/a&gt; &lt;/p&gt; &lt;p&gt;Date of creation: 1840-03-09 &lt;/p&gt; &lt;p&gt;Petition location: Chappequiddic [Edgartown] &lt;/p&gt; &lt;p&gt;Legislator, committee, or address that the petition was sent to: David Davis, Edgartown; committee on the reduction of salaries &lt;/p&gt; &lt;p&gt;Selected signatures:&lt;ol&gt;&lt;li&gt;Isaiah Belain&lt;/li&gt;&lt;li&gt;Abraham Brown&lt;/li&gt;&lt;li&gt;Lawrence Prince&lt;/li&gt;&lt;/ol&gt; &lt;/p&gt; &lt;p&gt;Actions taken on dates: 1840-03-12 &lt;/p&gt; &lt;p&gt;Legislative action: Received in the House on March 12, 1840 and referred to the committee on the reduction of salaries &lt;/p&gt; &lt;p&gt;Total signatures: 3.0 &lt;/p&gt; &lt;p&gt;Legislative action summary: Received, referred &lt;/p&gt; &lt;p&gt;Legal voter signatures (males not identified as non-legal): 3 &lt;/p&gt; &lt;p&gt;Female only signatures: No &lt;/p&gt; &lt;p&gt;Identifications of signatories: Indians and people of colour resident at Chappequiddic in the county of Dukes County, overseers, constable, for the Indians aforesaid &lt;/p&gt; &lt;p&gt;Prayer format was &lt;a href="http://en.wikipedia.org/wiki/Printing"&gt;printed&lt;/a&gt; vs. &lt;a href="http://en.wikipedia.org/wiki/Manuscript"&gt;manuscript&lt;/a&gt;: Manuscript &lt;/p&gt; &lt;p&gt;Native American tribe: Chappaquiddick &lt;/p&gt; &lt;p&gt;Acknowledgements: Supported by the National Endowment for the Humanities (PW-5105612), Massachusetts Archives of the Commonwealth, Radcliffe Institute for Advanced Study at Harvard University, Center for American Political Studies at Harvard University, Institutional Development Initiative at Harvard University, and Harvard University Library.&lt;/p&gt; &lt;p&gt;Additional non-petition or unrelated documents available at archive: additional documents available &lt;/p&gt; &lt;p&gt;Additional archivist notes: Chappaquiddick, instruction, education, schools, knowledge, kind and fatherly care, proposition, white neighbors, guardianship abolish, remonstrate, remonstrance, petitioning, young men, whale fishery, voyages &lt;/p&gt; &lt;p&gt;Location of the petition at the Massachusetts Archives of the Commonwealth: House Unpassed 1840, Docket 746 &lt;/p&gt;
DOI: 10.7910/dvn/podpa
title: Senate Unpassed Legislation 1861, leave to withdraw, SC1/series 231, Petition of John Clement

description: &lt;p&gt;Petition subject: Against slave hunting &lt;/p&gt; &lt;p&gt;Original: &lt;a href="http://nrs.harvard.edu/urn-3:FHCL:11858791"&gt;http://nrs.harvard.edu/urn-3:FHCL:11858791&lt;/a&gt; &lt;/p&gt; &lt;p&gt;Date of creation: (unknown) &lt;/p&gt; &lt;p&gt;Petition location: Townsend &lt;/p&gt; &lt;p&gt;Legislator, committee, or address that the petition was sent to: David H. Merriam, Fitchburg; committee on the personal liberty law &lt;/p&gt; &lt;p&gt;Selected signatures:&lt;ol&gt;&lt;li&gt;John Clement&lt;/li&gt;&lt;li&gt;Dan Spaulding&lt;/li&gt;&lt;li&gt;Nathan Litchfield&lt;/li&gt;&lt;/ol&gt; &lt;/p&gt; &lt;p&gt;Legislative action: Referred to the committee on the personal liberty law &lt;/p&gt; &lt;p&gt;Total signatures: 60 &lt;/p&gt; &lt;p&gt;Legislative action summary: Referred &lt;/p&gt; &lt;p&gt;Legal voter signatures (males not identified as non-legal): 34 &lt;/p&gt; &lt;p&gt;Female signatures: 26 &lt;/p&gt; &lt;p&gt;Female only signatures: No &lt;/p&gt; &lt;p&gt;Identifications of signatories: citizens, legal voters, other adults, [females], ["others"] &lt;/p&gt; &lt;p&gt;Prayer format was &lt;a href="http://en.wikipedia.org/wiki/Printing"&gt;printed&lt;/a&gt; vs. &lt;a href="http://en.wikipedia.org/wiki/Manuscript"&gt;manuscript&lt;/a&gt;: Printed &lt;/p&gt; &lt;p&gt;Signatory column format: column separated &lt;/p&gt; &lt;p&gt;Additional non-petition or unrelated documents available at archive: no additional documents &lt;/p&gt; &lt;p&gt;Location of the petition at the Massachusetts Archives of the Commonwealth: Senate Unpassed 1861, leave to withdraw &lt;/p&gt; &lt;p&gt;Acknowledgements: Supported by the National Endowment for the Humanities (PW-5105612), Massachusetts Archives of the Commonwealth, Radcliffe Institute for Advanced Study at Harvard University, Center for American Political Studies at Harvard University, Institutional Development Initiative at Harvard University, and Harvard University Library.&lt;/p&gt;
DOI: 10.7910/dvn/pueh0x
title: MARVELS PCV13 Data Collection Forms

description: Data collection guide
DOI: 10.7910/dvn/vvp5mv
title: Wright Casebook Edited; Docketed Case: 18,303
DOI: 10.7910/dvn/bffwcz
title: Executive Agreements Database, Statement Regarding Agreement with Japan Of November 29, 1988, Providing For The United States and Japan To Enter Into A Cooperative Development Program For The Support Fighter (fs-x) Weapon System, Pursuant to the Mutual Defense Assistance Agreement Of March 8, 1954

description: TIAS 12330

First signed 11/29/1988
Last signed 11/29/1988
Entry into force (supplemented by last signed) 11/29/1988

stamped 89-5

C06544576"

cover memo
DOI: 10.7910/dvn/q7r8qu
title: A11_20402.jpg

description: Link to OCHRE database: &lt;a href = 'http://pi.lib.uchicago.edu/1001/org/ochre/a85562be-5924-4066-91cf-e830a8a341c5'&gt;http://pi.lib.uchicago.edu/1001/org/ochre/a85562be-5924-4066-91cf-e830a8a341c5
DOI: 10.7910/dvn/qge0ez
title: [ Pig ] Merged Code Region

description: Merge all class files in the same code region.