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Jie Wang1

Jie Wang1

Professor of Computer Science, UMass Lowell
Prof. Wang's current research interests include text mining algorithms and systems, data modeling and its applications, and combinatorial optimizations. His previous interests included large-scale network dynamics, cloud computing and search over encryption, network security, wireless networks, and computational complexity theory. He is particularly interested in algorithmic problems and mathematical modeling arising from practical applications, including data analysis and applications, intelligent text automation, wireless sensor networks, computational medicine, networking, and online social networks. He worked on computational complexity theory from late 1980's to early 2000's, including structural complexity, average-case complexity, and average NP-completeness.

Limits to computing: A computer scientist explains why even in the age of AI, some problems are just too difficult

Jan 31, 2023 07:26 am UTC| Technology

Empowered by artificial intelligence technologies, computers today can engage in convincing conversations with people, compose songs, paint paintings, play chess and go, and diagnose diseases, to name just a few examples...

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Economy

Gold Prices Slip to 3-Week Low Amid Trade War and Recession Fears

Gold prices fell to a three-week low in Asian trading on Monday as investors sold off assets to cover broader market losses triggered by escalating global trade tensions and rising fears of a recession. Spot gold dropped...

China’s Teapot Refiners See Modest Recovery Amid Sanctions and Weak Fuel Demand

Chinas independent oil refiners, known as teapots, have slightly increased their crude processing rates, but face mounting pressure from sluggish domestic fuel demand, rising geopolitical tensions, and new U.S. sanctions....

Taiwan Stocks Tumble Nearly 10% Amid U.S. Tariff Shock

Taiwans stock market plunged almost 10% on Monday, marking its steepest drop in over a year as investors reacted to new U.S. import tariffs announced by President Donald Trump last week. The dramatic selloff came after a...

Indian Rupee Eyes Trade Tensions, RBI Rate Decision Amid Market Volatility

The Indian rupee is set to follow the dollar and Chinese yuan this week as global trade tensions escalate. It ended at 85.2350 against the U.S. dollar on Friday, marking a 0.3% weekly gainits third straight risesupported...

Japan Stocks Plunge Amid Trump’s New Tariffs and Auto Import Crackdown

Japans stock market took a sharp hit on Monday, with the Nikkei 225 index plummeting nearly 9% to a 17-month low of 30,629.50, following U.S. President Donald Trumps sweeping tariff announcement. As of 01:05 GMT, the index...

Politics

Bolsonaro Rally in Sao Paulo Draws Support Amid Trial and Amnesty Push

Supporters of former Brazilian President Jair Bolsonaro rallied in Sao Paulo on Sunday, backing him just weeks after Brazils Supreme Court ruled he will face trial for allegedly conspiring to overturn the 2022 election...

China Protests U.S.-Taiwan Meeting, Reaffirms One-China Policy

China has officially protested to the United States over reports that a Taiwanese delegation visited Washington to meet with members of the Trump administration, the Chinese foreign ministry said Monday. At a regular press...

U.S. Urges Immediate Disarmament of Hezbollah, Supports Lebanese Army

U.S. envoy Morgan Ortagus has called for the immediate disarmament of Hezbollah and other armed groups in Lebanon, urging the Lebanese Armed Forces (LAF) to take swift action. Speaking to Lebanese broadcaster LBCI at the...

Marine Le Pen Vows Peaceful Fight Against Office Ban Amid Paris Rally

French far-right leader Marine Le Pen has pledged a peaceful, democratic fight against her recent five-year ban from holding public office. Drawing inspiration from American civil rights icon Martin Luther King Jr., Le Pen...

Australia’s Liberal Party Backtracks on Remote Work Ban Amid Election Pressure

Australias opposition Liberal Party has scrapped its controversial plan to end remote work for government employees, following backlash and a shift in voter sentiment ahead of the May 3 federal election. The policy,...

Science

AstraZeneca’s Imfinzi Gets US Approval for Bladder Cancer Treatment

AstraZenecas drug Imfinzi (NASDAQ: AZN) has received U.S. approval to treat adult patients with muscle-invasive bladder cancer, a significant advancement in cancer therapy. The approval allows Imfinzi to be used in...

Sanofi’s New Hemophilia Drug Qfitlia Gains FDA Approval with Breakthrough Bimonthly Dosing

The U.S. Food and Drug Administration (FDA) has approved Qfitlia, a groundbreaking hemophilia treatment by French pharmaceutical giant Sanofi (NASDAQ: SNY). Designed for patients aged 12 and older with hemophilia A or B,...

FDA Vaccine Chief Peter Marks Resigns Amid Controversy Over Transparency

Peter Marks, the U.S. Food and Drug Administrations (FDA) top vaccine official, has resigned after reportedly being forced out by the Department of Health and Human Services (HHS), according to The Wall Street Journal....

What are the chances an asteroid will impact Earth in 2032?

For a few days in mid-February, headlines around the world buzzed about the potential for an asteroid to hit the Earth in 2032 specifically, asteroid 2024 YR4. The chance of this impact rose to a high of 3.1 per cent on...

A new study reveals the structure of violent winds 1,300 light years away

The planet WASP-121b is extreme. Its a gas giant almost twice as big as Jupiter orbiting extremely close to its star50 times closer than the Earth does around the Sun. WASP-121b is so close to its star that tidal forces...

Technology

Meta Unveils Llama 4 Maverick and Scout, Boosts AI Ambitions

Meta Platforms (NASDAQ:META) has unveiled its latest AI modelsLlama 4 Maverick and Llama 4 Scoutcalling them its most advanced large language models (LLMs) to date. Designed as multimodal AI systems, they can process and...

Elon Musk’s Lawsuit Against OpenAI Heads to Jury Trial in 2026

Elon Musks high-profile lawsuit against OpenAI is set for a jury trial in spring 2026, as ruled by Judge Yvonne Gonzalez Rogers of the U.S. District Court for the Northern District of California. The case centers on Musks...

Intel, TSMC Eye Joint Venture Amid U.S. Chip Industry Crisis

Intel and Taiwan Semiconductor Manufacturing Co. (TSMC) are in early talks to form a joint venture to manage Intels U.S. chip factories, according to The Information. TSMC is expected to take a 20% stake in the new entity....

SpaceX, ULA, and Blue Origin Win $13.5B in Space Force Launch Contracts

The U.S. Space Force has awarded $13.5 billion in rocket launch contracts through 2029 to SpaceX, United Launch Alliance (ULA), and Blue Origin under its National Security Space Launch (NSSL) Phase 3 program. This...

Nintendo Delays U.S. Pre-Orders for Switch 2 Amid Tariff Concerns

Nintendo has announced a delay in U.S. pre-orders for its upcoming Switch 2 gaming console due to uncertainties surrounding new trade tariffs. Originally scheduled to begin on April 9, the pre-order launch is now postponed...
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