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Abstract: In bilevel optimization, the upper-level optimization problem (ULOP) requires to be solved under the constraint of the inner lower-level optimization problem (LLOP). However, it is ...

Abstract: Existing constrained multiobjective evolutionary algorithms (CMOEAs) frequently employ the information provided by the unconstrained Pareto front (UPF) to facilitate the identification of ...

Anna Schecter is the senior coordinating producer for CBS News and Stations' Crime and Public Safety Unit, based in New York. Senior producer, CBS News Investigative Unit Pat Milton, an award-winning ...

(TNND) — On Saturday, investigators conducted a second search at the home of Annie Guthrie, the sister of NBC “Today” show co-anchor, Savannah Guthrie, and daughter of 84-year-old Nancy Guthrie who ...

In a video shared Monday, the "TODAY" show co-anchor said the family believes Nancy Guthrie is "still out there" and is "at an hour of desperation." Billboards seeking tips in the possible abduction ...

The search for Today show co-host Savannah Guthrie's mother is now in its second week. Over the weekend, the Guthrie family said they have received a message from the people who say they took Nancy ...

TUCSON, Ariz. (AP) — Authorities investigating the apparent kidnapping of Nancy Guthrie returned to her Arizona neighborhood several times over the weekend, ahead of a Monday evening deadline set by ...

TUCSON, Ariz. — Authorities investigating the apparent kidnapping of Nancy Guthrie returned to her Arizona neighborhood several times over the weekend, ahead of a Monday evening deadline set by her ...

(TNND) — Authorities leading the case on the apparent kidnapping of 84-year-old Nancy Guthrie, surveyed her Arizona neighborhood and residence several times over the weekend as the Monday evening ...

SUN: BGE defends Baltimore Peninsula project as watchdog raises concerns Maryland’s consumer watchdog is urging regulators to look into BGE’s multibillion-dollar infrastructure plans for the Baltimore ...